MCQs For NEET (PCB) MBBS Notes | EduRev

MBBS : MCQs For NEET (PCB) MBBS Notes | EduRev

 Page 1


Contact Number: 9667591930 / 8527521718
1.
When CH
3
CH
2
CHCl
2
 is treated with NaNH
2
, the
product formed is                             
(a) CH
3
-CH=CH
2
                     (b) CH
3
-C CH
(c) CH
3
CH
2
CH                   (d) CH
3
CH
2
C
2.
R-CH
2
-CCl
2
-R  R-C C-R. The reagent is
(a) Na                                   (b) HCl in H
2
O
(c) KOH in C
2
H
5
OH                (d) Zn in alcohol
3.
Ethyl chloride is converted into diethyl ether by               
                                  
(a) Wurtz reaction                           (b) Grignard reaction
(c) Perkin's reaction                         (d) Williamson's
synthesis
4.
The alkyl halide is converted into an alcohol by               
                    
(a) addition                       (b) substitution
(c) dehydrohalogenation     (d) elimination
5.
Addition of Br
2
 on cis-butene-2 gives:
(a) a racemic mixture of 2,3-dibromobutane
(b) meso form of 2,3-dibromobutane
(c) dextro form of 2,3-dibromobutane
(d) laevo form of 2,3-dibromobutane 
6.
The number of different substitution products possible
when ethane is allowed to react with bromine in sunlight
are:
(a) 9           (b) 6
(c) 8           (d) 5
7.
In    reactions, the correct order of reactivity for the
following compounds :  ,  , 
 and   is :
(a)  > > >
(b) > > >
(c)  > > >
(d)  > > >
8.
Action of RMgX with vinyl chloride gives:
(a) alkane                                  (b) alkyne
(c) alkene                                  (d) all of these
 
9.
X  Benzotrichloride  Y
X and Y respectievely are:
(a) benzene, benzaldehyde
(b) toluene, benzaldehyde
(c) toluene, benzoic acid
(d) benzene, benzoic acid
 
10.
Benzene on reaction with a mixture of HNO
3
 and H
2
SO
4
followed by reaction of Cl
2
/FeCl
3
 gives:
(a) 3-chloro -1 -nitrobenzene
(b) 2-chloro -1 -nitrobenzene
(c) 4-chloro -1 -nitrobenzene
(d) a mixture of 2-chloro and 4-chloro -1 -nitrobenzene
11.
Which is gem dihalide?
(a)                              (b)   
(c)                     (d) None of these
12.
Hydrogenation of benzoyl chloride in the presence of Pd
on   gives:
(a) benzyl alcohol                         (b) benzaldehyde
(c) benzoic acid                            (d) phenol 
13.
Friedel-Craft's reaction of bromobenzene with methyl
iodide gives:
(a) o-bromotoluene                     
Bottom of Pyramid - Test # 3 - Haloalkanes &
Haloarenes
= < N H 2 N H 2 < C l N H 2 R e a g e n t - - - - ? = S N 2 C H 3 C l C H 3 C H 2 C l ( C H 3 ) 2 C H C l ( C H 3 ) 3 C C l C H 3 C l ( C H 3 ) 2 C H C l C H 3 C H 2 C l ( C H 3 ) 3 C C l C H 3 C l C H 3 C H 2 C l ( C H 3 ) 2 C H C l ( C H 3 ) 3 C C l C H 3 C H 2 C l C H 3 C l ( C H 3 ) 2 C H C l ( C H 3 ) 3 C C l ( C H 3 ) 2 C H C l C H 3 C H 2 C l C H 3 C l ( C H 3 ) 3 C C l C l 2 ? H y d r o l y s i s - - - - - ? C H 3 . C H B r 2 C H 2 B r . C H 2 B r C H 3 . C H B r . C H 2 B r B a S O 4 Page: 1
Page 2


Contact Number: 9667591930 / 8527521718
1.
When CH
3
CH
2
CHCl
2
 is treated with NaNH
2
, the
product formed is                             
(a) CH
3
-CH=CH
2
                     (b) CH
3
-C CH
(c) CH
3
CH
2
CH                   (d) CH
3
CH
2
C
2.
R-CH
2
-CCl
2
-R  R-C C-R. The reagent is
(a) Na                                   (b) HCl in H
2
O
(c) KOH in C
2
H
5
OH                (d) Zn in alcohol
3.
Ethyl chloride is converted into diethyl ether by               
                                  
(a) Wurtz reaction                           (b) Grignard reaction
(c) Perkin's reaction                         (d) Williamson's
synthesis
4.
The alkyl halide is converted into an alcohol by               
                    
(a) addition                       (b) substitution
(c) dehydrohalogenation     (d) elimination
5.
Addition of Br
2
 on cis-butene-2 gives:
(a) a racemic mixture of 2,3-dibromobutane
(b) meso form of 2,3-dibromobutane
(c) dextro form of 2,3-dibromobutane
(d) laevo form of 2,3-dibromobutane 
6.
The number of different substitution products possible
when ethane is allowed to react with bromine in sunlight
are:
(a) 9           (b) 6
(c) 8           (d) 5
7.
In    reactions, the correct order of reactivity for the
following compounds :  ,  , 
 and   is :
(a)  > > >
(b) > > >
(c)  > > >
(d)  > > >
8.
Action of RMgX with vinyl chloride gives:
(a) alkane                                  (b) alkyne
(c) alkene                                  (d) all of these
 
9.
X  Benzotrichloride  Y
X and Y respectievely are:
(a) benzene, benzaldehyde
(b) toluene, benzaldehyde
(c) toluene, benzoic acid
(d) benzene, benzoic acid
 
10.
Benzene on reaction with a mixture of HNO
3
 and H
2
SO
4
followed by reaction of Cl
2
/FeCl
3
 gives:
(a) 3-chloro -1 -nitrobenzene
(b) 2-chloro -1 -nitrobenzene
(c) 4-chloro -1 -nitrobenzene
(d) a mixture of 2-chloro and 4-chloro -1 -nitrobenzene
11.
Which is gem dihalide?
(a)                              (b)   
(c)                     (d) None of these
12.
Hydrogenation of benzoyl chloride in the presence of Pd
on   gives:
(a) benzyl alcohol                         (b) benzaldehyde
(c) benzoic acid                            (d) phenol 
13.
Friedel-Craft's reaction of bromobenzene with methyl
iodide gives:
(a) o-bromotoluene                     
Bottom of Pyramid - Test # 3 - Haloalkanes &
Haloarenes
= < N H 2 N H 2 < C l N H 2 R e a g e n t - - - - ? = S N 2 C H 3 C l C H 3 C H 2 C l ( C H 3 ) 2 C H C l ( C H 3 ) 3 C C l C H 3 C l ( C H 3 ) 2 C H C l C H 3 C H 2 C l ( C H 3 ) 3 C C l C H 3 C l C H 3 C H 2 C l ( C H 3 ) 2 C H C l ( C H 3 ) 3 C C l C H 3 C H 2 C l C H 3 C l ( C H 3 ) 2 C H C l ( C H 3 ) 3 C C l ( C H 3 ) 2 C H C l C H 3 C H 2 C l C H 3 C l ( C H 3 ) 3 C C l C l 2 ? H y d r o l y s i s - - - - - ? C H 3 . C H B r 2 C H 2 B r . C H 2 B r C H 3 . C H B r . C H 2 B r B a S O 4 Page: 1
Contact Number: 9667591930 / 8527521718
(b) p-bromotoluene
(c) o-and p-bromotoluenes             
(d) m-bromotoluene
14.
When vinyl chloride is passed through alcoholic KOH
solution:
(a) it dissolves                                 
(b) it forms vinyl alcohol
(c) it forms acetylene                     
(d) it has no action
15.
The reaction, RCl +NaI    + NaCl is known
as:
(a) Wurtz reaction                       (b) Fittig reaction           
           
(c) Frankland's  reaction                (d)
Finkelstein's reaction                               
16.
(CH
3
)
3
CMgCl on reaction with D
2
O gives:
(a) (CH
3
)
3
CD
(b) (CH
3
)
3
OD
(c) (CD
3
)
3
CD
(d) (CD
3
)
3
OD
17.
Benzoyl Chloride is prepared from benzonic acid by:
(a) Cl
2
, hv
(b) SO
2
Cl
2
(c) SOCl
2
(d) Cl
2
, H
2
O
18.
In the following sequences of reactions;
(A) (B)  (C)
the product (C) is:
(a) propene                               
(b) propyne
(c) propan-1-ol                         
(d) propan-2-ol
19.
Iodoform can be prepared from all except :
(a) isopropyl alcohol
(b) 3-methyl-2-butanone
(c) isobutyl alcohol
(d) ethyl methyl ketone
20.
Identify (Z) in the following reaction reaction series,
C
2
H
5
I  (X)  (Y)  (Z):
(a) CH
3
-CH
2
-CN     (b) 
(c)       (d) 
21.
The reaction of toluene with    in presence of 
 gives predominantly :
(a) m- chlorobenzene                   
(b) benzoylchloride
(c) benzyl chloride                         
(d) O
-
 and p-chlorotoluene                    
22.
Arrange the following halides in the decreasing order of 
 reactivity
(I) 
(II) 
(III) 
1. I>II>III                            2. II>I>III
3. II>III>I                            4. III>II>I
23.
Arrange the following compouds in the order of leaving
group ability
Bottom of Pyramid - Test # 3 - Haloalkanes &
Haloarenes
A c e t o n e - - - - ? R - I C H 3 C H 2 C H 2 B r K O H ( a l c . ) - - - - - ? H B r - ? K O H ( a q ) - - - - ? A l c o h o l i c - - - - ? K O H B r 2 - ? K C N - - ? C l 2 F e C l 3 S N 1 C H 3 C H 2 C H 2 C l C H 2 = C H C H ( C l ) C H 3 C H 3 C H 2 C H ( C l ) C H 3 Page: 2
Page 3


Contact Number: 9667591930 / 8527521718
1.
When CH
3
CH
2
CHCl
2
 is treated with NaNH
2
, the
product formed is                             
(a) CH
3
-CH=CH
2
                     (b) CH
3
-C CH
(c) CH
3
CH
2
CH                   (d) CH
3
CH
2
C
2.
R-CH
2
-CCl
2
-R  R-C C-R. The reagent is
(a) Na                                   (b) HCl in H
2
O
(c) KOH in C
2
H
5
OH                (d) Zn in alcohol
3.
Ethyl chloride is converted into diethyl ether by               
                                  
(a) Wurtz reaction                           (b) Grignard reaction
(c) Perkin's reaction                         (d) Williamson's
synthesis
4.
The alkyl halide is converted into an alcohol by               
                    
(a) addition                       (b) substitution
(c) dehydrohalogenation     (d) elimination
5.
Addition of Br
2
 on cis-butene-2 gives:
(a) a racemic mixture of 2,3-dibromobutane
(b) meso form of 2,3-dibromobutane
(c) dextro form of 2,3-dibromobutane
(d) laevo form of 2,3-dibromobutane 
6.
The number of different substitution products possible
when ethane is allowed to react with bromine in sunlight
are:
(a) 9           (b) 6
(c) 8           (d) 5
7.
In    reactions, the correct order of reactivity for the
following compounds :  ,  , 
 and   is :
(a)  > > >
(b) > > >
(c)  > > >
(d)  > > >
8.
Action of RMgX with vinyl chloride gives:
(a) alkane                                  (b) alkyne
(c) alkene                                  (d) all of these
 
9.
X  Benzotrichloride  Y
X and Y respectievely are:
(a) benzene, benzaldehyde
(b) toluene, benzaldehyde
(c) toluene, benzoic acid
(d) benzene, benzoic acid
 
10.
Benzene on reaction with a mixture of HNO
3
 and H
2
SO
4
followed by reaction of Cl
2
/FeCl
3
 gives:
(a) 3-chloro -1 -nitrobenzene
(b) 2-chloro -1 -nitrobenzene
(c) 4-chloro -1 -nitrobenzene
(d) a mixture of 2-chloro and 4-chloro -1 -nitrobenzene
11.
Which is gem dihalide?
(a)                              (b)   
(c)                     (d) None of these
12.
Hydrogenation of benzoyl chloride in the presence of Pd
on   gives:
(a) benzyl alcohol                         (b) benzaldehyde
(c) benzoic acid                            (d) phenol 
13.
Friedel-Craft's reaction of bromobenzene with methyl
iodide gives:
(a) o-bromotoluene                     
Bottom of Pyramid - Test # 3 - Haloalkanes &
Haloarenes
= < N H 2 N H 2 < C l N H 2 R e a g e n t - - - - ? = S N 2 C H 3 C l C H 3 C H 2 C l ( C H 3 ) 2 C H C l ( C H 3 ) 3 C C l C H 3 C l ( C H 3 ) 2 C H C l C H 3 C H 2 C l ( C H 3 ) 3 C C l C H 3 C l C H 3 C H 2 C l ( C H 3 ) 2 C H C l ( C H 3 ) 3 C C l C H 3 C H 2 C l C H 3 C l ( C H 3 ) 2 C H C l ( C H 3 ) 3 C C l ( C H 3 ) 2 C H C l C H 3 C H 2 C l C H 3 C l ( C H 3 ) 3 C C l C l 2 ? H y d r o l y s i s - - - - - ? C H 3 . C H B r 2 C H 2 B r . C H 2 B r C H 3 . C H B r . C H 2 B r B a S O 4 Page: 1
Contact Number: 9667591930 / 8527521718
(b) p-bromotoluene
(c) o-and p-bromotoluenes             
(d) m-bromotoluene
14.
When vinyl chloride is passed through alcoholic KOH
solution:
(a) it dissolves                                 
(b) it forms vinyl alcohol
(c) it forms acetylene                     
(d) it has no action
15.
The reaction, RCl +NaI    + NaCl is known
as:
(a) Wurtz reaction                       (b) Fittig reaction           
           
(c) Frankland's  reaction                (d)
Finkelstein's reaction                               
16.
(CH
3
)
3
CMgCl on reaction with D
2
O gives:
(a) (CH
3
)
3
CD
(b) (CH
3
)
3
OD
(c) (CD
3
)
3
CD
(d) (CD
3
)
3
OD
17.
Benzoyl Chloride is prepared from benzonic acid by:
(a) Cl
2
, hv
(b) SO
2
Cl
2
(c) SOCl
2
(d) Cl
2
, H
2
O
18.
In the following sequences of reactions;
(A) (B)  (C)
the product (C) is:
(a) propene                               
(b) propyne
(c) propan-1-ol                         
(d) propan-2-ol
19.
Iodoform can be prepared from all except :
(a) isopropyl alcohol
(b) 3-methyl-2-butanone
(c) isobutyl alcohol
(d) ethyl methyl ketone
20.
Identify (Z) in the following reaction reaction series,
C
2
H
5
I  (X)  (Y)  (Z):
(a) CH
3
-CH
2
-CN     (b) 
(c)       (d) 
21.
The reaction of toluene with    in presence of 
 gives predominantly :
(a) m- chlorobenzene                   
(b) benzoylchloride
(c) benzyl chloride                         
(d) O
-
 and p-chlorotoluene                    
22.
Arrange the following halides in the decreasing order of 
 reactivity
(I) 
(II) 
(III) 
1. I>II>III                            2. II>I>III
3. II>III>I                            4. III>II>I
23.
Arrange the following compouds in the order of leaving
group ability
Bottom of Pyramid - Test # 3 - Haloalkanes &
Haloarenes
A c e t o n e - - - - ? R - I C H 3 C H 2 C H 2 B r K O H ( a l c . ) - - - - - ? H B r - ? K O H ( a q ) - - - - ? A l c o h o l i c - - - - ? K O H B r 2 - ? K C N - - ? C l 2 F e C l 3 S N 1 C H 3 C H 2 C H 2 C l C H 2 = C H C H ( C l ) C H 3 C H 3 C H 2 C H ( C l ) C H 3 Page: 2
Contact Number: 9667591930 / 8527521718
              
          
1. I > II > III > IV
2. IV > III > I > II
3. III > II > I > IV
4. II > III > IV > I
24.
Which of the following alkyl halide undergo
rearrangement in SN1 reaction?
(a) 
(b)  
(c)  
(d) All of these
25.
 
                                            LiBr/DMSO  
              ?    Major
product (X)
                                             S
N
2
 conditions
The product X is :-
(a) (b)
 (c)
 (d)
26.
Anisole Product
1. 
2. 
3. 
4. 
 
27.
HC CNa + Cl-CH
2
-CH
2
-CH
2
-I  (A); Major product
(A) is:
(a) H-C C-CH
2
-CH
2
-CH
2
-I
(b) CH
2
 = CH-CH
2
-I
(c) H-C   C-CH
2
-CH
2
-CH
2
-Cl
(d) CH
2
 = CH-CH
2
-Cl
28.
Bottom of Pyramid - Test # 3 - Haloalkanes &
Haloarenes
C H 3 - C H 3 | C | C H 3 - C H | I - C H 3 e x c e s s   H I   ( c o n c . ) - - - - - - - - - - ? r e f l u x = ? = = E t O H - - ? ? ( A ) Page: 3
Page 4


Contact Number: 9667591930 / 8527521718
1.
When CH
3
CH
2
CHCl
2
 is treated with NaNH
2
, the
product formed is                             
(a) CH
3
-CH=CH
2
                     (b) CH
3
-C CH
(c) CH
3
CH
2
CH                   (d) CH
3
CH
2
C
2.
R-CH
2
-CCl
2
-R  R-C C-R. The reagent is
(a) Na                                   (b) HCl in H
2
O
(c) KOH in C
2
H
5
OH                (d) Zn in alcohol
3.
Ethyl chloride is converted into diethyl ether by               
                                  
(a) Wurtz reaction                           (b) Grignard reaction
(c) Perkin's reaction                         (d) Williamson's
synthesis
4.
The alkyl halide is converted into an alcohol by               
                    
(a) addition                       (b) substitution
(c) dehydrohalogenation     (d) elimination
5.
Addition of Br
2
 on cis-butene-2 gives:
(a) a racemic mixture of 2,3-dibromobutane
(b) meso form of 2,3-dibromobutane
(c) dextro form of 2,3-dibromobutane
(d) laevo form of 2,3-dibromobutane 
6.
The number of different substitution products possible
when ethane is allowed to react with bromine in sunlight
are:
(a) 9           (b) 6
(c) 8           (d) 5
7.
In    reactions, the correct order of reactivity for the
following compounds :  ,  , 
 and   is :
(a)  > > >
(b) > > >
(c)  > > >
(d)  > > >
8.
Action of RMgX with vinyl chloride gives:
(a) alkane                                  (b) alkyne
(c) alkene                                  (d) all of these
 
9.
X  Benzotrichloride  Y
X and Y respectievely are:
(a) benzene, benzaldehyde
(b) toluene, benzaldehyde
(c) toluene, benzoic acid
(d) benzene, benzoic acid
 
10.
Benzene on reaction with a mixture of HNO
3
 and H
2
SO
4
followed by reaction of Cl
2
/FeCl
3
 gives:
(a) 3-chloro -1 -nitrobenzene
(b) 2-chloro -1 -nitrobenzene
(c) 4-chloro -1 -nitrobenzene
(d) a mixture of 2-chloro and 4-chloro -1 -nitrobenzene
11.
Which is gem dihalide?
(a)                              (b)   
(c)                     (d) None of these
12.
Hydrogenation of benzoyl chloride in the presence of Pd
on   gives:
(a) benzyl alcohol                         (b) benzaldehyde
(c) benzoic acid                            (d) phenol 
13.
Friedel-Craft's reaction of bromobenzene with methyl
iodide gives:
(a) o-bromotoluene                     
Bottom of Pyramid - Test # 3 - Haloalkanes &
Haloarenes
= < N H 2 N H 2 < C l N H 2 R e a g e n t - - - - ? = S N 2 C H 3 C l C H 3 C H 2 C l ( C H 3 ) 2 C H C l ( C H 3 ) 3 C C l C H 3 C l ( C H 3 ) 2 C H C l C H 3 C H 2 C l ( C H 3 ) 3 C C l C H 3 C l C H 3 C H 2 C l ( C H 3 ) 2 C H C l ( C H 3 ) 3 C C l C H 3 C H 2 C l C H 3 C l ( C H 3 ) 2 C H C l ( C H 3 ) 3 C C l ( C H 3 ) 2 C H C l C H 3 C H 2 C l C H 3 C l ( C H 3 ) 3 C C l C l 2 ? H y d r o l y s i s - - - - - ? C H 3 . C H B r 2 C H 2 B r . C H 2 B r C H 3 . C H B r . C H 2 B r B a S O 4 Page: 1
Contact Number: 9667591930 / 8527521718
(b) p-bromotoluene
(c) o-and p-bromotoluenes             
(d) m-bromotoluene
14.
When vinyl chloride is passed through alcoholic KOH
solution:
(a) it dissolves                                 
(b) it forms vinyl alcohol
(c) it forms acetylene                     
(d) it has no action
15.
The reaction, RCl +NaI    + NaCl is known
as:
(a) Wurtz reaction                       (b) Fittig reaction           
           
(c) Frankland's  reaction                (d)
Finkelstein's reaction                               
16.
(CH
3
)
3
CMgCl on reaction with D
2
O gives:
(a) (CH
3
)
3
CD
(b) (CH
3
)
3
OD
(c) (CD
3
)
3
CD
(d) (CD
3
)
3
OD
17.
Benzoyl Chloride is prepared from benzonic acid by:
(a) Cl
2
, hv
(b) SO
2
Cl
2
(c) SOCl
2
(d) Cl
2
, H
2
O
18.
In the following sequences of reactions;
(A) (B)  (C)
the product (C) is:
(a) propene                               
(b) propyne
(c) propan-1-ol                         
(d) propan-2-ol
19.
Iodoform can be prepared from all except :
(a) isopropyl alcohol
(b) 3-methyl-2-butanone
(c) isobutyl alcohol
(d) ethyl methyl ketone
20.
Identify (Z) in the following reaction reaction series,
C
2
H
5
I  (X)  (Y)  (Z):
(a) CH
3
-CH
2
-CN     (b) 
(c)       (d) 
21.
The reaction of toluene with    in presence of 
 gives predominantly :
(a) m- chlorobenzene                   
(b) benzoylchloride
(c) benzyl chloride                         
(d) O
-
 and p-chlorotoluene                    
22.
Arrange the following halides in the decreasing order of 
 reactivity
(I) 
(II) 
(III) 
1. I>II>III                            2. II>I>III
3. II>III>I                            4. III>II>I
23.
Arrange the following compouds in the order of leaving
group ability
Bottom of Pyramid - Test # 3 - Haloalkanes &
Haloarenes
A c e t o n e - - - - ? R - I C H 3 C H 2 C H 2 B r K O H ( a l c . ) - - - - - ? H B r - ? K O H ( a q ) - - - - ? A l c o h o l i c - - - - ? K O H B r 2 - ? K C N - - ? C l 2 F e C l 3 S N 1 C H 3 C H 2 C H 2 C l C H 2 = C H C H ( C l ) C H 3 C H 3 C H 2 C H ( C l ) C H 3 Page: 2
Contact Number: 9667591930 / 8527521718
              
          
1. I > II > III > IV
2. IV > III > I > II
3. III > II > I > IV
4. II > III > IV > I
24.
Which of the following alkyl halide undergo
rearrangement in SN1 reaction?
(a) 
(b)  
(c)  
(d) All of these
25.
 
                                            LiBr/DMSO  
              ?    Major
product (X)
                                             S
N
2
 conditions
The product X is :-
(a) (b)
 (c)
 (d)
26.
Anisole Product
1. 
2. 
3. 
4. 
 
27.
HC CNa + Cl-CH
2
-CH
2
-CH
2
-I  (A); Major product
(A) is:
(a) H-C C-CH
2
-CH
2
-CH
2
-I
(b) CH
2
 = CH-CH
2
-I
(c) H-C   C-CH
2
-CH
2
-CH
2
-Cl
(d) CH
2
 = CH-CH
2
-Cl
28.
Bottom of Pyramid - Test # 3 - Haloalkanes &
Haloarenes
C H 3 - C H 3 | C | C H 3 - C H | I - C H 3 e x c e s s   H I   ( c o n c . ) - - - - - - - - - - ? r e f l u x = ? = = E t O H - - ? ? ( A ) Page: 3
Contact Number: 9667591930 / 8527521718
Major product (A) is:
1. 
2. 
3. 
4. 
29.
 
Product (A) is:
1. 
2. 
3. 
4. 
30.
Which is the major product of the following reaction?
1. 
2. 
3. 
4. 
31.
1-2-dichloro ethane + NaSCH
2
CH
2
SNa C
4
H
8
S
2
 + (P)
Unknown product (p) of the above reaction is:
(a) 
(b)  
(c) H-S- = -CH=CH-S-H
(d) H- = -CH-S-H
32.
Which alkyl halide has maximum density?
(a) C
3
H
7
I                     
(b) C
2
H
5
I                 
(c) CH
3
I                 
(d) CH
3
Br
33.
Bottom of Pyramid - Test # 3 - Haloalkanes &
Haloarenes
K O H - - - - ? E t O H , ? ( A ) ( m a j o r ) ? Page: 4
Page 5


Contact Number: 9667591930 / 8527521718
1.
When CH
3
CH
2
CHCl
2
 is treated with NaNH
2
, the
product formed is                             
(a) CH
3
-CH=CH
2
                     (b) CH
3
-C CH
(c) CH
3
CH
2
CH                   (d) CH
3
CH
2
C
2.
R-CH
2
-CCl
2
-R  R-C C-R. The reagent is
(a) Na                                   (b) HCl in H
2
O
(c) KOH in C
2
H
5
OH                (d) Zn in alcohol
3.
Ethyl chloride is converted into diethyl ether by               
                                  
(a) Wurtz reaction                           (b) Grignard reaction
(c) Perkin's reaction                         (d) Williamson's
synthesis
4.
The alkyl halide is converted into an alcohol by               
                    
(a) addition                       (b) substitution
(c) dehydrohalogenation     (d) elimination
5.
Addition of Br
2
 on cis-butene-2 gives:
(a) a racemic mixture of 2,3-dibromobutane
(b) meso form of 2,3-dibromobutane
(c) dextro form of 2,3-dibromobutane
(d) laevo form of 2,3-dibromobutane 
6.
The number of different substitution products possible
when ethane is allowed to react with bromine in sunlight
are:
(a) 9           (b) 6
(c) 8           (d) 5
7.
In    reactions, the correct order of reactivity for the
following compounds :  ,  , 
 and   is :
(a)  > > >
(b) > > >
(c)  > > >
(d)  > > >
8.
Action of RMgX with vinyl chloride gives:
(a) alkane                                  (b) alkyne
(c) alkene                                  (d) all of these
 
9.
X  Benzotrichloride  Y
X and Y respectievely are:
(a) benzene, benzaldehyde
(b) toluene, benzaldehyde
(c) toluene, benzoic acid
(d) benzene, benzoic acid
 
10.
Benzene on reaction with a mixture of HNO
3
 and H
2
SO
4
followed by reaction of Cl
2
/FeCl
3
 gives:
(a) 3-chloro -1 -nitrobenzene
(b) 2-chloro -1 -nitrobenzene
(c) 4-chloro -1 -nitrobenzene
(d) a mixture of 2-chloro and 4-chloro -1 -nitrobenzene
11.
Which is gem dihalide?
(a)                              (b)   
(c)                     (d) None of these
12.
Hydrogenation of benzoyl chloride in the presence of Pd
on   gives:
(a) benzyl alcohol                         (b) benzaldehyde
(c) benzoic acid                            (d) phenol 
13.
Friedel-Craft's reaction of bromobenzene with methyl
iodide gives:
(a) o-bromotoluene                     
Bottom of Pyramid - Test # 3 - Haloalkanes &
Haloarenes
= < N H 2 N H 2 < C l N H 2 R e a g e n t - - - - ? = S N 2 C H 3 C l C H 3 C H 2 C l ( C H 3 ) 2 C H C l ( C H 3 ) 3 C C l C H 3 C l ( C H 3 ) 2 C H C l C H 3 C H 2 C l ( C H 3 ) 3 C C l C H 3 C l C H 3 C H 2 C l ( C H 3 ) 2 C H C l ( C H 3 ) 3 C C l C H 3 C H 2 C l C H 3 C l ( C H 3 ) 2 C H C l ( C H 3 ) 3 C C l ( C H 3 ) 2 C H C l C H 3 C H 2 C l C H 3 C l ( C H 3 ) 3 C C l C l 2 ? H y d r o l y s i s - - - - - ? C H 3 . C H B r 2 C H 2 B r . C H 2 B r C H 3 . C H B r . C H 2 B r B a S O 4 Page: 1
Contact Number: 9667591930 / 8527521718
(b) p-bromotoluene
(c) o-and p-bromotoluenes             
(d) m-bromotoluene
14.
When vinyl chloride is passed through alcoholic KOH
solution:
(a) it dissolves                                 
(b) it forms vinyl alcohol
(c) it forms acetylene                     
(d) it has no action
15.
The reaction, RCl +NaI    + NaCl is known
as:
(a) Wurtz reaction                       (b) Fittig reaction           
           
(c) Frankland's  reaction                (d)
Finkelstein's reaction                               
16.
(CH
3
)
3
CMgCl on reaction with D
2
O gives:
(a) (CH
3
)
3
CD
(b) (CH
3
)
3
OD
(c) (CD
3
)
3
CD
(d) (CD
3
)
3
OD
17.
Benzoyl Chloride is prepared from benzonic acid by:
(a) Cl
2
, hv
(b) SO
2
Cl
2
(c) SOCl
2
(d) Cl
2
, H
2
O
18.
In the following sequences of reactions;
(A) (B)  (C)
the product (C) is:
(a) propene                               
(b) propyne
(c) propan-1-ol                         
(d) propan-2-ol
19.
Iodoform can be prepared from all except :
(a) isopropyl alcohol
(b) 3-methyl-2-butanone
(c) isobutyl alcohol
(d) ethyl methyl ketone
20.
Identify (Z) in the following reaction reaction series,
C
2
H
5
I  (X)  (Y)  (Z):
(a) CH
3
-CH
2
-CN     (b) 
(c)       (d) 
21.
The reaction of toluene with    in presence of 
 gives predominantly :
(a) m- chlorobenzene                   
(b) benzoylchloride
(c) benzyl chloride                         
(d) O
-
 and p-chlorotoluene                    
22.
Arrange the following halides in the decreasing order of 
 reactivity
(I) 
(II) 
(III) 
1. I>II>III                            2. II>I>III
3. II>III>I                            4. III>II>I
23.
Arrange the following compouds in the order of leaving
group ability
Bottom of Pyramid - Test # 3 - Haloalkanes &
Haloarenes
A c e t o n e - - - - ? R - I C H 3 C H 2 C H 2 B r K O H ( a l c . ) - - - - - ? H B r - ? K O H ( a q ) - - - - ? A l c o h o l i c - - - - ? K O H B r 2 - ? K C N - - ? C l 2 F e C l 3 S N 1 C H 3 C H 2 C H 2 C l C H 2 = C H C H ( C l ) C H 3 C H 3 C H 2 C H ( C l ) C H 3 Page: 2
Contact Number: 9667591930 / 8527521718
              
          
1. I > II > III > IV
2. IV > III > I > II
3. III > II > I > IV
4. II > III > IV > I
24.
Which of the following alkyl halide undergo
rearrangement in SN1 reaction?
(a) 
(b)  
(c)  
(d) All of these
25.
 
                                            LiBr/DMSO  
              ?    Major
product (X)
                                             S
N
2
 conditions
The product X is :-
(a) (b)
 (c)
 (d)
26.
Anisole Product
1. 
2. 
3. 
4. 
 
27.
HC CNa + Cl-CH
2
-CH
2
-CH
2
-I  (A); Major product
(A) is:
(a) H-C C-CH
2
-CH
2
-CH
2
-I
(b) CH
2
 = CH-CH
2
-I
(c) H-C   C-CH
2
-CH
2
-CH
2
-Cl
(d) CH
2
 = CH-CH
2
-Cl
28.
Bottom of Pyramid - Test # 3 - Haloalkanes &
Haloarenes
C H 3 - C H 3 | C | C H 3 - C H | I - C H 3 e x c e s s   H I   ( c o n c . ) - - - - - - - - - - ? r e f l u x = ? = = E t O H - - ? ? ( A ) Page: 3
Contact Number: 9667591930 / 8527521718
Major product (A) is:
1. 
2. 
3. 
4. 
29.
 
Product (A) is:
1. 
2. 
3. 
4. 
30.
Which is the major product of the following reaction?
1. 
2. 
3. 
4. 
31.
1-2-dichloro ethane + NaSCH
2
CH
2
SNa C
4
H
8
S
2
 + (P)
Unknown product (p) of the above reaction is:
(a) 
(b)  
(c) H-S- = -CH=CH-S-H
(d) H- = -CH-S-H
32.
Which alkyl halide has maximum density?
(a) C
3
H
7
I                     
(b) C
2
H
5
I                 
(c) CH
3
I                 
(d) CH
3
Br
33.
Bottom of Pyramid - Test # 3 - Haloalkanes &
Haloarenes
K O H - - - - ? E t O H , ? ( A ) ( m a j o r ) ? Page: 4
Contact Number: 9667591930 / 8527521718
Grignard reagent shows addition on:
(a) >C=O                             (b) -C N
(c) >C=S                              (d) all of these
34.
Pick up the correct statement about alkyl halides:-
(a) They show H-bonding.
(b) They are soluble in water.
(c) They are soluble in organic solvents.
(d) They do not contain any polar bond.
35.
Sodium ethoxide reacts with ethyl iodide to yield:
(a) CH
3
CH
3
                               (b) C
2
H
5
OCH
3
(c) C
2
H
5
OC
2
H
5
                          (d) none of these
36.
Which set of reagents will produce freon (CCl
2
F
2
)?
(a) C + F
2
 + Cl
2 
(b) CH
3
Cl + F
2 
(c) CCl
4
 + HF 
(d) CCl
4
 + F
2
 
37.
An alkyl iodide on standing darkens, due to:
(a) hydrolysis                          (b) conversion into ether
(c) liberation of iodine              (d) formation of alkanes
38.
In the following sequences of reactions;
CH
3
CH
2
CH
2
I ?KOH(alc.)
(A)?Br2(B)?NaNH2/NH3(C) the end product (C) is:
(a) alkene
(b) alkanol
(c) alkyne
(d) alkyl amine
39.
PCI
5
 reacts with propanone, to give:
(a) gem dichloride
(b) vic dichloride
(c) propanal
(d) propane chloride
40.
Identify (Z) in the following reaction series,
C
2
H
5
I (x)  (Y) (Z):
(a) CH
3
-CH
2
-CN
(b) 
(c) 
(d) 
41.
Identity ‘Z’ in the following reaction series,
                      aq. NaOH Al2O3(Heat) HOCl
CH
3
.CH
2
CH
2
Br?  (X)    ?   (Y) ?(z)
(a)Mixture of 
CH
3
-CH-CH
2
 and CH
3
-CH-CH
2
           l     l                l     l 
         Cl    Cl              OH Cl
(b)CH
3
-CH-CH
2
              l       l
             OH   Cl
(c)CH
3
-CH-CH
2
              l      l
             Cl   OH
(d)CH
3
-CH-CH
2
               l     l
              Cl   Cl
42.
A compound A of formula C
3
H
6
Cl
2
 on reaction with
alkali can give B of formula C
3
H
6
O or C of formula
C
3
H
4
. B on oxidation gave a compound of the formula
C
3
H
6
O
2
. C with dilute H
2
SO
4 
containing Hg
2+
 ion gave
D of formula C
3
H
6
O, which with bromine and NaOH
gave the sodium salt of C
2
H
4
O
2
. Then A is:
(a) CH
3
CH
2
CHCl
2
(b) CH
3
CCl
2
CH
3
Bottom of Pyramid - Test # 3 - Haloalkanes &
Haloarenes
= ? ? S b C l 5 - - ? ? A l c o h o l i c   - - - - - ? K O H B r 2 - ? K C N - - ? C H 2 | C N - C H 2 | C N C H 2 | B r - C H 2 | C N C H | B r = C H | C N Page: 5
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