CONTENT

S.No Pages

1. DPP-1 04 – 06

2. DPP-2 07 – 09

Let's Crack it !

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 ORGANIC CHEMISTRY
Daily Practice Problems Target IIT-JEE
Class : XII Time : 30 min. DPP # 1

NH2
CHCl ,KOH LiAlH 4
1.  3  X    Y ; (Y) is
 H O 2

O
||  
(A) Ph  N  CH3 (B) Ph – CH2 – NH2 (C) Ph  N  C  H (D) Ph  N  C
| |
H H

2. Which of the given compound will not give Hoffmann Bromamide Degradation reaction ?

O O
||
(A) (B) CH 3  C  NH  Br
Ph NH2
O
(C) (D) Acetamide
N

Me H

3. Br
2 
KOH
 Major product

H C–NH2
O
Major product will be -

Me H Me NH2

(A) (B)
H NH2 H H

O
Me C–NHBr Me
H
(C) (D)

H H H
NH 2
4. One mole of an amine (A) consumes two moles of methyl bromide to give a quaternary ammonium salt. The
amine (A) is -

(A) (CH3)3 C CH2 NH2 (B) (CH3)2N CH2 CH2 (C) (Piperidine) (D) (Pyridine)

N N
|
H

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5. Which of the following is most basic -

NH2
H–N–CH3 H3 C CH3 H 3C CH3
N N
H3 C CH3
(A) (B) (C) (D) C–CH 3
||
H3 C CH3 O

6. How many isomeric amines with the formula C7H9N contain a benzene ring ?
(A) Two (B) three (C) Four (D) Five

7. In a set of reactions propionic acid yielded a compound D.

OH
SOCl2 NH3 KOH
 B 
  C  D.
Br2
O
The structure of D would de -
NH2
(A) (B) NH2 (C) NH2 (D)
N O
|
H
8. Which one of the following will not react with the grignard reagent [C2H5MgBr]
C 2H5
|
C2H5 C 2H5 – N CH3 – C –NH2
(A) C2H5NH2 (B) N–H (C) (D) ||
C2H5 | O
CH3

9. The product formed in the reaction is -

O
||
C 
CH 3 O  Na 
NH2 + Br 
2  
CH 3 – OH

NH 2 O H H
|| | |
NH–C–OCH3 N–OCH3 N
(A) (B) (C) (D) CH3

N H2

Br2 CuBr
10. 
H O A
HNO
 2  HCl
 B  C 
Sn / HCl D.

2 0C

NO 2
What is the end product D ?

NH2 Br Br
Br Br Br Br Br Br Br
Br Br
(A) (B) (C) (D)

NO2 NO2 NH2

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11. Consider the following sequence of reactions
( i ) KCN ( excess )
  A (
Br2 (1mole )
CH2=CH–CH=CH2  
ii ) H Ni
 B.
CCl 4 2

The end product (B) is -

(A) H2N–(CH2)–CH=CH–(CH2)2–NH2 (B) H2N–(CH2)6–NH2

(C) NC–CH2–CH=CH–CH2–CN (D) H2 C=CH– CH– CH–(CH2) 2–NH2

|
NH2

12. Correct order of basicities of the following compounds is

O
NH2
CH3 C CH3 C NH2
CH 3CH 2 NH 2 ( CH 3 2 NH

)
NH2
2. 3. 4.
1.

(A) 2 > 1 > 3 > 4 (B) 1 > 3 > 2 > 4 (C) 3 > 1 > 2 > 4 (D) 1 > 2 > 3 > 4

13. Which of the following is the strongest base

(A) C6H5NH2 (B) p  NO2  C6H4NH2 (C) m  NO2  C6H 4 NH2 (D) C6H5CH2NH2

14. Which of the following reactions will not give primary amine?
Br2 / KOH LiAlH4
(A) CH3CONH2   (B) CH3CN 

LiAlH4 LiAlH4
(C) CH3NC  (D) CH3 CONH2 

NH2 OH H2 / Ni
15. (CH3 )2 CO 
H
 A  B

The compound B is

(A) CH3 CH CH3 (B) CH3 – NH – CH3

NH2

(C) CH3 CH NHOH (D) CH3 – CH2CH2NH2

CH3

16. In the reaction

CH3 CN  2 H  X 

Boiling
H2O
Y, Y is : 

(A) Acetone (B) Ethanamine (C) Acetaldehyde (D) Dimethylamine

17. Reaction of RCONH2 with a mixture of Br2 and KOH gives RNH2 as the main product. The intermediates
involved in the reaction are:
(A) RCONH2 (B) R – NHBr (C) R – N = C = O (D) RCONBr2

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 ORGANIC CHEMISTRY
Daily Practice Problems Target IIT-JEE
Class : XII Time : 30 min. DPP # 2

1. NaNO2 HCl P
NH2   

CHCl3 + KOH / 

Q
Select the correct option :

(A) P : Q: (B) P : Q:
Cl OH OH NC

(C) P : Q: (D) P : Q:
OH Cl Cl NC

2. PhNH2 and PhNHMe can be differentiated by :

(A) CHCl3, KOH (B) NaNO2, HCl (C) both (D) none of these

3. Which of the following compound give isocyanide test ?

NH2 NH2
O
|| Me
(a) (b) Me  C  NH 2 (c) (d) Me – NH2

(A) a, b (B) a, c (C) a, d (D) c, d

4. Which compound will give positive carbyl amine test with CHCl3 and KOH?

NH2 O
O
(A) Me–NH–Me (B) Me–C–NH2 (C) (D)
NH2 NH2

5. Possible product(s) in given reaction is (are) :

NaNO2 + HCl

NH2

(A) (B) (C) (D)

OH OH OH O

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6. The reaction

CH3
CH2 –N
CH 3  CH 2
O + (CH3) 2N – OH

is called -
(A) Cope reaction (B) Ritter reaction (C) Schmidt reaction (D) Gabrid’s reaction

7. In the chemical reaction, the product A is ?

NH2
P
2O 5
 (A)

O
NH2 C N
(A) OH (B) (C) (D)

8. An optically active compound (A) decolourises Br2/CCl4 and releases N2 with Nitrous acid. The compound
(A) is -

NH 2 NH CH3 NH 2 NH C 2H5

(A) (B) (C) (D)

9. The major product (X) of the reaction is -

OH
NH2 NaNO
 2  X.
dil HCl

OH OH O
OH Cl
(A) (B) O (C) (D)

10. Which one among the following is expected to form a secondary alcohol on treatment with HNO2 ?

NH2
NH2 N– H
(A) (B) NH2 (C) (D)
O

11. Ethylamine on heating with CS2 in presence of HgCl2 forms

(A) C2H5NCS (B) (C2H5 )2 S (C) (C2H5 )2 CS (D) C2H5 (CS)2

12. The compound on reaction with cold nitrous acid giving oily nitrosomine is
(A) Methylamine (B) Dimethylamine (C) Trimethylamine (D) Triethylamine

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13. In the following reaction
KOH
CHCl3  C6H5NH2   A  3B  3C

The product A is
(A) Phenyl isocyanide (B) Phenyl cyanide (C) Ethylene chloride (D) Chlorobenzene

14. Liebermann’s nitroso test is used for the identification of

(A) Primary amine (B) Aniline (C) Phenol (D) Trimethyl amine

15. The order of reactivity of the following compounds towards ammonia is :-

CH3 I CH3 Br CH3 Cl

(I) (II) (III)

(A) I > II > III (B) I < II < III (C) I < II > III (D) I < III > II

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