Page 1
LEARNERS HABITAT
1] (CH
3
)
3
CMgCl on reaction with D
2
O produces:
a) (CH
3
)
3
CD b) (CH
3
)
3
COD c) (CD
3
)
3
CD d) (CD
3
)
3
COD
2] Which has maximum b.p. and m.p. out of :
I II III
a) I in both case b) I, II c) I, III d) II, I
3] C
5
H
11
Cl by Wurtz reaction forms 2, 2, 5, 5-tetramethyl hexane as the main product.
Hence, C
5
H
11
Cl is:
a) 2, 2-dimethyl-1-chloropropane b) 2-methyl-l-chlorobutane
c) both are true d) none is true
4] A, A is:
a) b) c) d) CH
3
COCH
3
5] CH
3
CH
2
Cl + LiAlH
4
? ? ? CH
3
CH
3
. This reduction process follows:
a) S
N
1 mechanism b) S
N
2 mechanism c) E1 mechanism d) E2 mechanism
6] The complete combustion of CH
4
gives:
a) CO + H
2
b) CO + N
2
c) CO
2
+ H
2
O d) CO + N
2
O
7] Which of the following gives methane [CH
4
] on hydrolysis?
a) Fe
3
O
4
b) Al
2
O
3
c) CaC
2
d)Al
4
C
3
8] The organic reaction product from the reaction of methyl magnesium bromide and
ethyl alcohol is
a) methane b) ethane c) propane d) butane
9] Propane is obtained from propene, by which of the following method?
a) Wurtz reaction b) Dehydration
c) Frankland reaction d) Catalytic hydrogenation
10] The product formed by heating sodium propionate with sodalime is:
a) acetone b) propyl amine
c) ethane d) acetaldehyde
CH CH
3
CH
3
CH
3
KMnO
4
CH
3
CH CHCOOH
3
CH
3
CH C=CH
3 2
OH
CH
3
CH C
3
CH
3
HYDROCARBONS
Page 1
Page 2
LEARNERS HABITAT
1] (CH
3
)
3
CMgCl on reaction with D
2
O produces:
a) (CH
3
)
3
CD b) (CH
3
)
3
COD c) (CD
3
)
3
CD d) (CD
3
)
3
COD
2] Which has maximum b.p. and m.p. out of :
I II III
a) I in both case b) I, II c) I, III d) II, I
3] C
5
H
11
Cl by Wurtz reaction forms 2, 2, 5, 5-tetramethyl hexane as the main product.
Hence, C
5
H
11
Cl is:
a) 2, 2-dimethyl-1-chloropropane b) 2-methyl-l-chlorobutane
c) both are true d) none is true
4] A, A is:
a) b) c) d) CH
3
COCH
3
5] CH
3
CH
2
Cl + LiAlH
4
? ? ? CH
3
CH
3
. This reduction process follows:
a) S
N
1 mechanism b) S
N
2 mechanism c) E1 mechanism d) E2 mechanism
6] The complete combustion of CH
4
gives:
a) CO + H
2
b) CO + N
2
c) CO
2
+ H
2
O d) CO + N
2
O
7] Which of the following gives methane [CH
4
] on hydrolysis?
a) Fe
3
O
4
b) Al
2
O
3
c) CaC
2
d)Al
4
C
3
8] The organic reaction product from the reaction of methyl magnesium bromide and
ethyl alcohol is
a) methane b) ethane c) propane d) butane
9] Propane is obtained from propene, by which of the following method?
a) Wurtz reaction b) Dehydration
c) Frankland reaction d) Catalytic hydrogenation
10] The product formed by heating sodium propionate with sodalime is:
a) acetone b) propyl amine
c) ethane d) acetaldehyde
CH CH
3
CH
3
CH
3
KMnO
4
CH
3
CH CHCOOH
3
CH
3
CH C=CH
3 2
OH
CH
3
CH C
3
CH
3
HYDROCARBONS
Page 1
11] Which is antiknock agent?
a) (C
3
H
7
)
4
Pb b) (C
2
H
5
)
4
Pb
c) (CH
3
)
4
Pb d) none of these
12] By oxidation ozonolysis A (C
4
H
8
) changes to CH
3
COOH. Thus A is:
a) b)
c) CH
3
CH = CHCH
3
d) CH
3
CH
2
CH=CH
2
13] CH
3
CH = CH
2
4
2 2
NaBD
H O /OH
? ? ? ? Product X; X is:
a) b) c) d) none is correct
14] B
2
Lindlar/H
? ? ? ? ? R
__
C = C
__
R
3
Na/ NH
? ? ? ? ? A, A and B are geometrical isomers
(R
__
CH = CH
__
R):
a) A is cis, B is trams b) A is trans, B is cis
c) A and B both are cis d) A and B both are trans
15]
4 4
NaIO /KMnO
? ? ? ? ? ? Products; products are:
a) b)
c) d) none is correct
16] Which one of the following has the smallest heat of hydrogenation per mol?
a) 1-butene b) trans-2-butene c) cis-2-butene d) 1, 3-butadiene
17] CH
3
CH = CHCH
3
+ CH
2
N
2
? A ; A is:
a) b) c) both are correct d) none is correct
18] Alkene(A) +
4
KMnO
?
? ? ? ? +
A is:
a) b) c) d)
19]
I II III
Which one is most easily dehydrohalogenated?
a) I b) II c) III d) All with same ease
CH
3
CHCH D
2
OH
CH
3
CHCH OH
2
D
CH
3
CHCH
3
OD
C=CHCCH
3
CH
3
CH
3
CH
3
CH
3
CCH ,(CH ) CCOOH
3 3 3
O
CH
3
CCH ,(CH ) CCHO
3 3 3
O
CH
3
COH,(CH ) CCOOH
3 3
CH
3
O
CH CHCH
3
N
2
CH
3
CH
3
CH CHCH
3
CH
3
CH
2
O
Cl Cl Cl
HYDROCARBONS
Page 2
Page 3
LEARNERS HABITAT
1] (CH
3
)
3
CMgCl on reaction with D
2
O produces:
a) (CH
3
)
3
CD b) (CH
3
)
3
COD c) (CD
3
)
3
CD d) (CD
3
)
3
COD
2] Which has maximum b.p. and m.p. out of :
I II III
a) I in both case b) I, II c) I, III d) II, I
3] C
5
H
11
Cl by Wurtz reaction forms 2, 2, 5, 5-tetramethyl hexane as the main product.
Hence, C
5
H
11
Cl is:
a) 2, 2-dimethyl-1-chloropropane b) 2-methyl-l-chlorobutane
c) both are true d) none is true
4] A, A is:
a) b) c) d) CH
3
COCH
3
5] CH
3
CH
2
Cl + LiAlH
4
? ? ? CH
3
CH
3
. This reduction process follows:
a) S
N
1 mechanism b) S
N
2 mechanism c) E1 mechanism d) E2 mechanism
6] The complete combustion of CH
4
gives:
a) CO + H
2
b) CO + N
2
c) CO
2
+ H
2
O d) CO + N
2
O
7] Which of the following gives methane [CH
4
] on hydrolysis?
a) Fe
3
O
4
b) Al
2
O
3
c) CaC
2
d)Al
4
C
3
8] The organic reaction product from the reaction of methyl magnesium bromide and
ethyl alcohol is
a) methane b) ethane c) propane d) butane
9] Propane is obtained from propene, by which of the following method?
a) Wurtz reaction b) Dehydration
c) Frankland reaction d) Catalytic hydrogenation
10] The product formed by heating sodium propionate with sodalime is:
a) acetone b) propyl amine
c) ethane d) acetaldehyde
CH CH
3
CH
3
CH
3
KMnO
4
CH
3
CH CHCOOH
3
CH
3
CH C=CH
3 2
OH
CH
3
CH C
3
CH
3
HYDROCARBONS
Page 1
11] Which is antiknock agent?
a) (C
3
H
7
)
4
Pb b) (C
2
H
5
)
4
Pb
c) (CH
3
)
4
Pb d) none of these
12] By oxidation ozonolysis A (C
4
H
8
) changes to CH
3
COOH. Thus A is:
a) b)
c) CH
3
CH = CHCH
3
d) CH
3
CH
2
CH=CH
2
13] CH
3
CH = CH
2
4
2 2
NaBD
H O /OH
? ? ? ? Product X; X is:
a) b) c) d) none is correct
14] B
2
Lindlar/H
? ? ? ? ? R
__
C = C
__
R
3
Na/ NH
? ? ? ? ? A, A and B are geometrical isomers
(R
__
CH = CH
__
R):
a) A is cis, B is trams b) A is trans, B is cis
c) A and B both are cis d) A and B both are trans
15]
4 4
NaIO /KMnO
? ? ? ? ? ? Products; products are:
a) b)
c) d) none is correct
16] Which one of the following has the smallest heat of hydrogenation per mol?
a) 1-butene b) trans-2-butene c) cis-2-butene d) 1, 3-butadiene
17] CH
3
CH = CHCH
3
+ CH
2
N
2
? A ; A is:
a) b) c) both are correct d) none is correct
18] Alkene(A) +
4
KMnO
?
? ? ? ? +
A is:
a) b) c) d)
19]
I II III
Which one is most easily dehydrohalogenated?
a) I b) II c) III d) All with same ease
CH
3
CHCH D
2
OH
CH
3
CHCH OH
2
D
CH
3
CHCH
3
OD
C=CHCCH
3
CH
3
CH
3
CH
3
CH
3
CCH ,(CH ) CCOOH
3 3 3
O
CH
3
CCH ,(CH ) CCHO
3 3 3
O
CH
3
COH,(CH ) CCOOH
3 3
CH
3
O
CH CHCH
3
N
2
CH
3
CH
3
CH CHCH
3
CH
3
CH
2
O
Cl Cl Cl
HYDROCARBONS
Page 2
20]
2
H O/H
?
? ? ? ? ? A (predominant), A is:
a) b)
c) d)
21] The alkene R
__
CH=CH
2
reacts readily with B
2
H
6
and the product on oxidation with
alkaline hydrogen peroxide produces:
a) R
__
CH
2
___
CHO b) R
__
CH
2
__
CH
2
__
OH
c) d)
22] In a reaction CH
2
= CH
2
hypochlorous
acid
? ? ? ? ? ? M
R
? ? ? M and R are:
a) CH
3
CH
2
Cl and NaOH b) CH
2
Cl.CH
2
OH and (aq).NaHCO
3
c) CH
3
CH
2
OH and HCl d) and heat
23] Among the following alkenes?
1-butene cis-2-butene trans-2-butene
I II III
the decreasing order of stability is:
a) II > I > III b) III > II > I c) III > I > II d) I > II > III
24] The compound on reaction with NaIO
4
in the presence of KMnO
4
gives:
a) CH
3
COCH
3
+ CH
3
CHO b) CH
3
CHO + CO
2
c) CH
3
COCH
3
d) CH
3
COCH
3
+ CH
3
COOH
25] Reaction of HBr with propene in presence of peroxide gives:
a) isopropyl bromide b) 3-bromo propane
c) allyl bromide d) n-propyl bromide
CH=CH CH
3
CH
3
OH
CH
2
CH CH
3
OH
CH CH
2
CH
3
OH
CH CH
CH
3
CH CH HO
R C O
CH
3
R CH
OH
CH
2
OH
CH OH
2
CH OH
2
CH
2
CH
2
O
C CH
3
CH
3
CH CH
3
26] Ethylene reacts with 1% alkaline solution of KMnO
4
to produce:
a) ethylene glycol
c) acetone
b) formaldehyde
d) acetic acid
HYDROCARBONS
Page 3
Page 4
LEARNERS HABITAT
1] (CH
3
)
3
CMgCl on reaction with D
2
O produces:
a) (CH
3
)
3
CD b) (CH
3
)
3
COD c) (CD
3
)
3
CD d) (CD
3
)
3
COD
2] Which has maximum b.p. and m.p. out of :
I II III
a) I in both case b) I, II c) I, III d) II, I
3] C
5
H
11
Cl by Wurtz reaction forms 2, 2, 5, 5-tetramethyl hexane as the main product.
Hence, C
5
H
11
Cl is:
a) 2, 2-dimethyl-1-chloropropane b) 2-methyl-l-chlorobutane
c) both are true d) none is true
4] A, A is:
a) b) c) d) CH
3
COCH
3
5] CH
3
CH
2
Cl + LiAlH
4
? ? ? CH
3
CH
3
. This reduction process follows:
a) S
N
1 mechanism b) S
N
2 mechanism c) E1 mechanism d) E2 mechanism
6] The complete combustion of CH
4
gives:
a) CO + H
2
b) CO + N
2
c) CO
2
+ H
2
O d) CO + N
2
O
7] Which of the following gives methane [CH
4
] on hydrolysis?
a) Fe
3
O
4
b) Al
2
O
3
c) CaC
2
d)Al
4
C
3
8] The organic reaction product from the reaction of methyl magnesium bromide and
ethyl alcohol is
a) methane b) ethane c) propane d) butane
9] Propane is obtained from propene, by which of the following method?
a) Wurtz reaction b) Dehydration
c) Frankland reaction d) Catalytic hydrogenation
10] The product formed by heating sodium propionate with sodalime is:
a) acetone b) propyl amine
c) ethane d) acetaldehyde
CH CH
3
CH
3
CH
3
KMnO
4
CH
3
CH CHCOOH
3
CH
3
CH C=CH
3 2
OH
CH
3
CH C
3
CH
3
HYDROCARBONS
Page 1
11] Which is antiknock agent?
a) (C
3
H
7
)
4
Pb b) (C
2
H
5
)
4
Pb
c) (CH
3
)
4
Pb d) none of these
12] By oxidation ozonolysis A (C
4
H
8
) changes to CH
3
COOH. Thus A is:
a) b)
c) CH
3
CH = CHCH
3
d) CH
3
CH
2
CH=CH
2
13] CH
3
CH = CH
2
4
2 2
NaBD
H O /OH
? ? ? ? Product X; X is:
a) b) c) d) none is correct
14] B
2
Lindlar/H
? ? ? ? ? R
__
C = C
__
R
3
Na/ NH
? ? ? ? ? A, A and B are geometrical isomers
(R
__
CH = CH
__
R):
a) A is cis, B is trams b) A is trans, B is cis
c) A and B both are cis d) A and B both are trans
15]
4 4
NaIO /KMnO
? ? ? ? ? ? Products; products are:
a) b)
c) d) none is correct
16] Which one of the following has the smallest heat of hydrogenation per mol?
a) 1-butene b) trans-2-butene c) cis-2-butene d) 1, 3-butadiene
17] CH
3
CH = CHCH
3
+ CH
2
N
2
? A ; A is:
a) b) c) both are correct d) none is correct
18] Alkene(A) +
4
KMnO
?
? ? ? ? +
A is:
a) b) c) d)
19]
I II III
Which one is most easily dehydrohalogenated?
a) I b) II c) III d) All with same ease
CH
3
CHCH D
2
OH
CH
3
CHCH OH
2
D
CH
3
CHCH
3
OD
C=CHCCH
3
CH
3
CH
3
CH
3
CH
3
CCH ,(CH ) CCOOH
3 3 3
O
CH
3
CCH ,(CH ) CCHO
3 3 3
O
CH
3
COH,(CH ) CCOOH
3 3
CH
3
O
CH CHCH
3
N
2
CH
3
CH
3
CH CHCH
3
CH
3
CH
2
O
Cl Cl Cl
HYDROCARBONS
Page 2
20]
2
H O/H
?
? ? ? ? ? A (predominant), A is:
a) b)
c) d)
21] The alkene R
__
CH=CH
2
reacts readily with B
2
H
6
and the product on oxidation with
alkaline hydrogen peroxide produces:
a) R
__
CH
2
___
CHO b) R
__
CH
2
__
CH
2
__
OH
c) d)
22] In a reaction CH
2
= CH
2
hypochlorous
acid
? ? ? ? ? ? M
R
? ? ? M and R are:
a) CH
3
CH
2
Cl and NaOH b) CH
2
Cl.CH
2
OH and (aq).NaHCO
3
c) CH
3
CH
2
OH and HCl d) and heat
23] Among the following alkenes?
1-butene cis-2-butene trans-2-butene
I II III
the decreasing order of stability is:
a) II > I > III b) III > II > I c) III > I > II d) I > II > III
24] The compound on reaction with NaIO
4
in the presence of KMnO
4
gives:
a) CH
3
COCH
3
+ CH
3
CHO b) CH
3
CHO + CO
2
c) CH
3
COCH
3
d) CH
3
COCH
3
+ CH
3
COOH
25] Reaction of HBr with propene in presence of peroxide gives:
a) isopropyl bromide b) 3-bromo propane
c) allyl bromide d) n-propyl bromide
CH=CH CH
3
CH
3
OH
CH
2
CH CH
3
OH
CH CH
2
CH
3
OH
CH CH
CH
3
CH CH HO
R C O
CH
3
R CH
OH
CH
2
OH
CH OH
2
CH OH
2
CH
2
CH
2
O
C CH
3
CH
3
CH CH
3
26] Ethylene reacts with 1% alkaline solution of KMnO
4
to produce:
a) ethylene glycol
c) acetone
b) formaldehyde
d) acetic acid
HYDROCARBONS
Page 3
27] In 1, 3-butadiene, the carbon atom is hybridised as:
a) sp b) sp
2
c) sp
3
d) sp
2
and sp
3
28] An alkene ozonolysis yields two molecules of propanedial. It is:
a) b)
c) CH
3
CH = CHCH
2
CH = CHCH
3
d) CH
3
CH
2
CH=CHC
2
H
5
29] A mixture of C
2
H
6
, C
2
H
4
and C
2
H
2
is passed through ammoniacal AgNO
3
. The gases
which remain unreacted are:
a) C
2
H
2
b) C
2
H
2
and C
2
H
4
c) C
2
H
6
d) C
2
H
4
and C
2
H
6
30] The empirical formula of a compound is CH
2
. 1 mole of this compound has a mass of
42g. Its molecular formula is:
a) C
2
H
2
b) CH
2
c) C
3
H
8
d) C
3
H
6
31] Alkaline KMnO
4
oxidise acetylene to:
a) acetic acid b) ethyl alcohol c) ethylene glycol d) oxalic acid
32] Iodoform (CHI
3
) reacts with Ag powder to produce:
a) methane b) ethane c) butane d) ethyne
33] Order of reactivity of C
2
H
6
, C
2
H
4
and C
2
H
2
is:
a) C
2
H
6
< C
2
H
4
< C
2
H
2
b) C
2
H
2
> C
2
H
6
> C
2
H
4
c) C
2
H
4
> C
2
H
2
> C
2
H
6
d) All are equally reactive
34] Identify (Y) in the series:
CH = CH
3
O / NaOH
? ? ? ? ? (X)
3
Zn/CH COOH
? ? ? ? ? ? (Y)
a) CH
3
OH b) CH
2
COOH
__
CH
2
COOH
c) CH
3
CH
2
COOH d) CH
2
OH
__
CH
2
OH
35] What is the product when 1-butyne reacts with excess of HBr?
a) 2-2-dibromobutane b) 2-bromobutane
c) 1, 1, 2, 2-tetrabromobutane d) 1, 2-dibromobutene
HYDROCARBONS
Page 4
Read More