JEE Advanced · 2015 · 24 May 2015 · Paper 2 · Compounds Containing Nitrogen

In the following reactions, the major product W is

(A)(see structure)
✓ Correct
(B)(see structure)
(C)(see structure)
(D)(see structure)

Answer: (A)

Solution

The reaction is a diazo coupling reaction. Benzenediazonium chloride couples with 2-naphthol. The coupling occurs at the position ortho to the hydroxyl group (activated position) on the naphthalene ring. The product is an azo dye with the structure shown in option (A).

JEE Advanced · 2015 · 24 May 2015 · Paper 2 · One or more correct options

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