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When benzenediazonium chloride is treated with hypophosphorous acid, the product obtained is __________

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in Chemistry – Class 12 by (188k points)
When benzenediazonium chloride is treated with hypophosphorous acid, the product obtained is __________

(a) phenol

(b) chlorobenzene

(c) benzene

(d) aniline

I got this question by my college professor while I was bunking the class.

This interesting question is from Diazonium Salts Chemical Reactions topic in division Amines of Chemistry – Class 12

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Right answer is (c) benzene

To explain: When benzenediazonium salts are treated with mild reducing agents like hypophosphorous acid, the complete diazo and anionic group is replaced by hydrogen atom to form benzene.

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