NEET Solved Paper 2014 Question 32

Question: Which of the following will be most stable diazonium salt $ RN_2^{+}{X^{-}}? $ [AIPMT 2014]

Options:

A) $ CH _3N_2^{+}{X^{-}} $

B) $ C _2H _5N_2^{+}{X^{-}} $

C) $ CH _3CH _2N_2^{+}{X^{-}} $

D) $ C _6H _5CH _2N_2^{+}{X^{-}} $

Show Answer

Answer:

Correct Answer: B

Solution:

  • Diazonium salt containing aryl group directly linked to the nitrogen atom is most stable due to resonance stabilization between the benzene nucleus and N-atom.