Q 11 :

The major product ‘P’ for the following sequence of reactions is:  [2023]

  •  

  •  

  •  

  •  

(4)



Q 12 :

Reaction of propanamide with Br2/KOH (aq) produces:  [2023]

  • Propanenitrile

     

  • Ethylamine

     

  • Ethylnitrile

     

  • Propylamine

     

(2)



Q 13 :

The major product formed in the following reaction is               [2023]

  •  

  •  

  •  

  •  

(4)



Q 14 :

The major products A and B from the following reactions are:          [2023]

  •  

  •  

  •  

  •  

(4)



Q 15 :

In the reaction given below:

The product 'X' is:                       [2023]

  •  

  •  

  •  

  •  

(1)



Q 16 :

In the reaction given below:

'A' is                                                           [2023]

  •  

  •  

  •  

  •  

(4)



Q 17 :

How many of the transformations given below would result in aromatic amines?      [2023]



(3)



Q 18 :

Number of isomeric aromatic amines with molecular formula C8H11N, which can be synthesized by Gabriel Phthalimide synthesis is _________.           [2023]



(6)

DU=2C+2+N-X-H2

for C8H11N

DU=16+2+1-112=4



Q 19 :

When a concentrated solution of sulphanilic acid and 1-naphthylamine is treated with nitrous acid (273 K) and acidified with acetic acid, the mass (g) of 0.1 mole of product formed is:

(Given molar mass in g mol-1: H : 1, C : 12, N : 14, O : 16, S : 32)                  [2025]

  • 343

     

  • 330

     

  • 33

     

  • 66

     

(3)