Assertion (A): Benzene diazonium salts are stable
Reason (R): Benzene diazonium ion is stabilised by resonance

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(A) Both (A) and (R) are true and (R) is the correct explanation of (A)

Both (A) and (R) are true and (R) is not the correct explanation of (A)

(A) is true but (R) is false

Both (A) and (R) are false

answer is A.

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Detailed Solution

${RNH}_{2} \overset{{NaNO}_{2} + HCl}{\to} C_{6} H_{5} N^{2 +} {Cl}^{-}$

The above reaction is known as the diazotization reaction which gives benzene diazonium salts as the final product.

Resonance in benzene diazonium salt,

So, benzene diazonium salt is stabilised by resonance.

Hence, option (A) is correct.

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