Q 1 :    

Identify A and B in the following reaction sequence.                   [2024]

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(2)

Aryl halides have no tendency to show nucleophilic substitution reaction but in the presence of strong electron withdrawing group such as nitro group these show nucleophilic substitution reactions with ease.

 



Q 2 :    

                                                             [2024]

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(1)



Q 3 :    

Identify compound (Z) in the following reaction sequence.                         [2024]

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  •  

(1)



Q 4 :    

Identify [A], [B], and [C], respectively in the following reaction sequence:          [2025]

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  •  

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(3)

 



Q 5 :    

Choose the correct set of reagents for the following conversion.           [2025]

  • Br2/Fe;Cl2,Δ;alc.KOH

     

  • Cl2/Fe;Br2/anhy.AlCl3;aq.KOH

     

  • Br2/anhy.AlCl3;Cl2,Δ;aq.KOH

     

  • Cl2/anhy.AlCl3;Br2/Fe;alc.KOH

     

(1)

 



Q 6 :    

Match List-I with List-II:                       [2025]

Choose the correct answer from the options given below:

  • (A)-(II), (B)-(III), (C)-(I), (D)-(IV)

     

  • (A)-(III), (B)-(IV), (C)-(II), (D)-(I)

     

  • (A)-(IV), (B)-(III), (C)-(II), (D)-(I)

     

  • (A)-(IV), (B)-(III), (C)-(I), (D)-(II)

     

(3)

Chlorobenzene can be converted into phenol by heating in aqueous sodium hydroxide solution at a temperature of 623 K and a pressure of 300 atmospheres.

The presence of an electron withdrawing group (–NO2) at ortho- and para-positions increases the reactivity of haloarenes.