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Solution


Q.

Match List-I with List-II:                                          [2024]

Choose the correct answer from the options given below 

 
1 (A) – (II), (B) – (IV), (C) – (III), (D) – (I)  
2 (A) – (IV), (B) – (III), (C) – (I), (D) – (II)  
3 (A) – (III), (B) – (I), (C) – (II), (D) – (IV)  
4 (A) – (I), (B) – (II), (C) – (IV), (D) – (III)  

Ans.

(2)

A group is said to be +M group, when it supplies π electrons to the system through resonance. A group is said to be –M group, when it supplies π electrons to the system through resonance. Electromeric effect is said to be +E when the displacement of π electrons is towards the attacking reagent and –E when the displacement of π electrons is away from the attacking reagent.