Which one of the following gives the most sta | vedclass

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(B) Aromatic primary amines,especially those with electron-donating groups on the ring,form the most stable diazonium salts due to resonance stabiliza

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$p-CH_3-C_6H_4-NH_2$

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(B) Aromatic primary amines,especially those with electron-donating groups on the ring,form the most stable diazonium salts due to resonance stabilization. Among the options,$p$-toluidine $(p-CH_3-C_6H_4-NH_2)$ forms a diazonium salt that is stabilized by both the resonance of the benzene ring and the electron-donating inductive effect ($+I$ effect) of the methyl group. Aliphatic amines form highly unstable diazonium salts that decompose readily,and secondary amines like $N$-methylaniline do not form diazonium salts under these conditions.

Which one of the following gives the most stable diazonium salt?

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