Which of the following will be most stable diazonium salt RN₂⁺ X⁻

Options

(a) CH₃N₂⁺ X⁻
(b) C₆H₅N₂⁺ X⁻
(c) CH₃CH₂N₂⁺ X⁻
(d) C₆H₅CH₂N₂⁺ X⁻

Correct Answer:

C₆H₅N₂⁺ X⁻

Explanation:

Aromatic diazonium salts are more stable due to dispersal of the positive charge in benzene ring.