MHT CET Chemistry question

Chemistry Biomolecules MHT CET

A carbohydrate is treated with -naphthol and conc. . What colour will be formed at the junction of two liquids?

(A)Blue
(B)VioletCorrect
(C)Green
(D)Red

Answer: (B)

Solution

This is Molisch's test: conc. dehydrates the carbohydrate to furfural derivatives that condense with -naphthol

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Question ID VK-083509