Amines Practice Questions - DPP for NEET

 Page 1


PART-I (Single Correct MCQs)
1. An organic amino compound reacts with aqueous nitrous acid at low
temperature to produce an oily nitrosoamine. The compound is
(a) CH
3
NH
2
(b) CH
3
CH
2
NH
2
(c) CH
3
CH
2
NHCH
2
CH
3
(d) (CH
3
CH
2
)
3
N
2. Which of the following statements are correct ?
(i) In Sandmeyer reaction nucleophiles like Cl
–
, Br
–
  and CN
–
 are indroduced
in benzene ring in the presence of Cu
+
 ion
(ii) In Gattermann reaction nucleophiles are introduced in benzene ring in the
presence of copper powder and HCl.
(iii) The yield in Gattermann reaction is found to be better than Sandmayer
reaction.
(a) (i) and (ii)
(b) (i), (ii) and (iii)
Page 2


PART-I (Single Correct MCQs)
1. An organic amino compound reacts with aqueous nitrous acid at low
temperature to produce an oily nitrosoamine. The compound is
(a) CH
3
NH
2
(b) CH
3
CH
2
NH
2
(c) CH
3
CH
2
NHCH
2
CH
3
(d) (CH
3
CH
2
)
3
N
2. Which of the following statements are correct ?
(i) In Sandmeyer reaction nucleophiles like Cl
–
, Br
–
  and CN
–
 are indroduced
in benzene ring in the presence of Cu
+
 ion
(ii) In Gattermann reaction nucleophiles are introduced in benzene ring in the
presence of copper powder and HCl.
(iii) The yield in Gattermann reaction is found to be better than Sandmayer
reaction.
(a) (i) and (ii)
(b) (i), (ii) and (iii)
(c) (ii) and (iii)
(d) (i) and (iii)
3. Consider the following sequence of reactions :
The compound [A] is
(a) CH
3
CH
2
CN
(b) CH
3
NO
2
(c) CH
3
NC
(d) CH
3
CN
4. The correct order of basicity of the following compounds
               
(a) B > A > C
(b) A > B > C
(c) C > A > B
(d) C > B > A
5. Which of the following compounds is most basic?
(a)
(b)
(c)
(d)
6.
Z in the above reacting sequence is
(a)
Page 3


PART-I (Single Correct MCQs)
1. An organic amino compound reacts with aqueous nitrous acid at low
temperature to produce an oily nitrosoamine. The compound is
(a) CH
3
NH
2
(b) CH
3
CH
2
NH
2
(c) CH
3
CH
2
NHCH
2
CH
3
(d) (CH
3
CH
2
)
3
N
2. Which of the following statements are correct ?
(i) In Sandmeyer reaction nucleophiles like Cl
–
, Br
–
  and CN
–
 are indroduced
in benzene ring in the presence of Cu
+
 ion
(ii) In Gattermann reaction nucleophiles are introduced in benzene ring in the
presence of copper powder and HCl.
(iii) The yield in Gattermann reaction is found to be better than Sandmayer
reaction.
(a) (i) and (ii)
(b) (i), (ii) and (iii)
(c) (ii) and (iii)
(d) (i) and (iii)
3. Consider the following sequence of reactions :
The compound [A] is
(a) CH
3
CH
2
CN
(b) CH
3
NO
2
(c) CH
3
NC
(d) CH
3
CN
4. The correct order of basicity of the following compounds
               
(a) B > A > C
(b) A > B > C
(c) C > A > B
(d) C > B > A
5. Which of the following compounds is most basic?
(a)
(b)
(c)
(d)
6.
Z in the above reacting sequence is
(a)
List - I (Compounds) List - II
(Reactions)
(1) CH
3
CH
2
CH
2
CH
2
NH
2
(i) alkaline hydrolysis
(2) (ii) with KOH (alcohol)
and CHCl
3
produces bad  
smell
(3) CH
3
CH
2
COOCH
3
(iii) gives  white ppt.
with ammonical
AgNO
3
(4) CH
3
CH(OH)CH
3
(iv) with Lucas reagent
cloudiness appears
after  5 minutes
(1) (2) (3) (4)
(a) (iv) (ii) (iii) (i)
(b) (ii) (i) (iv) (iii)
(c) (iii) (ii) (i) (iv)
(d) (ii) (iii) (i) (iv)
(b)
(c)
(d)
7. Match the compounds given in List - I with their characteristic reactions
given in List - II. Select the correct option.
Options :
8. Which one of the following on reduction with lithium aluminium
hydride yields a secondary amine?
(a) Methyl isocyanide
(b) Acetamide
(c) Methyl cyanide
(d) Nitroethane
9. Aniline reacts with phosgene and KOH to form
Page 4


PART-I (Single Correct MCQs)
1. An organic amino compound reacts with aqueous nitrous acid at low
temperature to produce an oily nitrosoamine. The compound is
(a) CH
3
NH
2
(b) CH
3
CH
2
NH
2
(c) CH
3
CH
2
NHCH
2
CH
3
(d) (CH
3
CH
2
)
3
N
2. Which of the following statements are correct ?
(i) In Sandmeyer reaction nucleophiles like Cl
–
, Br
–
  and CN
–
 are indroduced
in benzene ring in the presence of Cu
+
 ion
(ii) In Gattermann reaction nucleophiles are introduced in benzene ring in the
presence of copper powder and HCl.
(iii) The yield in Gattermann reaction is found to be better than Sandmayer
reaction.
(a) (i) and (ii)
(b) (i), (ii) and (iii)
(c) (ii) and (iii)
(d) (i) and (iii)
3. Consider the following sequence of reactions :
The compound [A] is
(a) CH
3
CH
2
CN
(b) CH
3
NO
2
(c) CH
3
NC
(d) CH
3
CN
4. The correct order of basicity of the following compounds
               
(a) B > A > C
(b) A > B > C
(c) C > A > B
(d) C > B > A
5. Which of the following compounds is most basic?
(a)
(b)
(c)
(d)
6.
Z in the above reacting sequence is
(a)
List - I (Compounds) List - II
(Reactions)
(1) CH
3
CH
2
CH
2
CH
2
NH
2
(i) alkaline hydrolysis
(2) (ii) with KOH (alcohol)
and CHCl
3
produces bad  
smell
(3) CH
3
CH
2
COOCH
3
(iii) gives  white ppt.
with ammonical
AgNO
3
(4) CH
3
CH(OH)CH
3
(iv) with Lucas reagent
cloudiness appears
after  5 minutes
(1) (2) (3) (4)
(a) (iv) (ii) (iii) (i)
(b) (ii) (i) (iv) (iii)
(c) (iii) (ii) (i) (iv)
(d) (ii) (iii) (i) (iv)
(b)
(c)
(d)
7. Match the compounds given in List - I with their characteristic reactions
given in List - II. Select the correct option.
Options :
8. Which one of the following on reduction with lithium aluminium
hydride yields a secondary amine?
(a) Methyl isocyanide
(b) Acetamide
(c) Methyl cyanide
(d) Nitroethane
9. Aniline reacts with phosgene and KOH to form
(a)
(b)
(c)
(d)
10. When aniline reacts with oil of bitter almonds (C
6
H
5
CHO) condensation
takes place and benzal derivative is formed. This is known as
(a) Million’s base
(b) Schiff’s reagent
(c) Schiff’s base
(d) Benedict’s reagent
11. Which reaction sequence would be best to prepare 3-chloroanilne from
benzene ?
(a) Chlorination, nitration, reduction
(b) Nitration, chlorination, reduction
(c) Nitration, reduction, chlorination
(d) Nitration, reduction, acetylation, chlorination, hydrolysis
12. The reduction of nitro compounds is most preferred in the presence of
(a) Pd/H
2
 in ethanol
(b) Sn + HCl
(c) finely divided Ni
(d) iron scrap and HCl
13. Match the compounds in List I with their nature from List II, as seen in
aqueous medium
Page 5


PART-I (Single Correct MCQs)
1. An organic amino compound reacts with aqueous nitrous acid at low
temperature to produce an oily nitrosoamine. The compound is
(a) CH
3
NH
2
(b) CH
3
CH
2
NH
2
(c) CH
3
CH
2
NHCH
2
CH
3
(d) (CH
3
CH
2
)
3
N
2. Which of the following statements are correct ?
(i) In Sandmeyer reaction nucleophiles like Cl
–
, Br
–
  and CN
–
 are indroduced
in benzene ring in the presence of Cu
+
 ion
(ii) In Gattermann reaction nucleophiles are introduced in benzene ring in the
presence of copper powder and HCl.
(iii) The yield in Gattermann reaction is found to be better than Sandmayer
reaction.
(a) (i) and (ii)
(b) (i), (ii) and (iii)
(c) (ii) and (iii)
(d) (i) and (iii)
3. Consider the following sequence of reactions :
The compound [A] is
(a) CH
3
CH
2
CN
(b) CH
3
NO
2
(c) CH
3
NC
(d) CH
3
CN
4. The correct order of basicity of the following compounds
               
(a) B > A > C
(b) A > B > C
(c) C > A > B
(d) C > B > A
5. Which of the following compounds is most basic?
(a)
(b)
(c)
(d)
6.
Z in the above reacting sequence is
(a)
List - I (Compounds) List - II
(Reactions)
(1) CH
3
CH
2
CH
2
CH
2
NH
2
(i) alkaline hydrolysis
(2) (ii) with KOH (alcohol)
and CHCl
3
produces bad  
smell
(3) CH
3
CH
2
COOCH
3
(iii) gives  white ppt.
with ammonical
AgNO
3
(4) CH
3
CH(OH)CH
3
(iv) with Lucas reagent
cloudiness appears
after  5 minutes
(1) (2) (3) (4)
(a) (iv) (ii) (iii) (i)
(b) (ii) (i) (iv) (iii)
(c) (iii) (ii) (i) (iv)
(d) (ii) (iii) (i) (iv)
(b)
(c)
(d)
7. Match the compounds given in List - I with their characteristic reactions
given in List - II. Select the correct option.
Options :
8. Which one of the following on reduction with lithium aluminium
hydride yields a secondary amine?
(a) Methyl isocyanide
(b) Acetamide
(c) Methyl cyanide
(d) Nitroethane
9. Aniline reacts with phosgene and KOH to form
(a)
(b)
(c)
(d)
10. When aniline reacts with oil of bitter almonds (C
6
H
5
CHO) condensation
takes place and benzal derivative is formed. This is known as
(a) Million’s base
(b) Schiff’s reagent
(c) Schiff’s base
(d) Benedict’s reagent
11. Which reaction sequence would be best to prepare 3-chloroanilne from
benzene ?
(a) Chlorination, nitration, reduction
(b) Nitration, chlorination, reduction
(c) Nitration, reduction, chlorination
(d) Nitration, reduction, acetylation, chlorination, hydrolysis
12. The reduction of nitro compounds is most preferred in the presence of
(a) Pd/H
2
 in ethanol
(b) Sn + HCl
(c) finely divided Ni
(d) iron scrap and HCl
13. Match the compounds in List I with their nature from List II, as seen in
aqueous medium
List I List II
I. Acetamide A. Acidic
II. Benzonitrile B. Basic
III. Triethylamine C. Neutral
IV. Phenol
(a) I–C; II–C; III–B; IV–A
(b) I–B; II–C; III–C; IV–A
(c) I–C; II–B; III–B; IV–C
(d) I–A; II–A; III–C; IV–B
14. The correct order of basicities of the following compounds is
1 2
3 4
(a) 2 > 1 > 3 > 4
(b) 1 > 3 > 2 > 4
(c) 3 > 1 > 2 > 4
(d) 1 > 2 > 3 > 4
15. Which of the following reactions will not give a primary amine?
(a)
(b)
(c)
(d)
16 Indicate which nitrogen compound amongst the following would
undergo Hoffmann reaction (i.e.., reaction with Br
2
 and strong KOH) to
furnish the primary amine (R – NH
2
)
(a) RCONHCH
3
(b) RCOONH
4
(c) RCONH
2