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Solution


Q.

Which amongst the following reactions of alkyl halides produces isonitrile as a major product

A)  R-X+HCN⟶ 
B)  R-X+AgCN⟶ 
C)  R-X+KCN⟶ 
D)  R-X+NaCN→C2H5OHH2O

Choose the most appropriate answer from the options given below:              [2023]
1 (D) only  
2 (C) and (D) only  
3 (B) only  
4 (A) and (B) only  

Ans.

(3)

In (A), (C) and (D), nitrile is formed as the major product.

R-X+AgCN ⟶ R-NCAlkyl isocyanide(or isonitrile)