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Question

Amongst the compound given, the one that would form a brilliant coloured dye on treatment with NaNO2 in dil.HCL followed by addition to an alkaline solution Of β-naphthol is:


A


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B


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C


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D


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Solution

The correct option is C




It is a test for - NH2 group attached on the benzene nucleus following diazotization and coupling reaction.



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