Q.

Which pair is different for reaction with Fehling solution?

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a

Glucose, Sucrose

b

CH2COCH3,C6H5CHO

c

Glucose, Fructose

d

HCHO,CH3CHO

answer is D.

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Detailed Solution

The base in the reaction with Fehling's solution changes fructose into glucose. As a result, fructose also passes the test using Fehling's solution. As a result, Fehling's approach does not allow for the differentiation of glucose and fructose.

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