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Question

The reagent which forms cystalline osazone derivative when treated with glucose is:

A
Fehling's solution
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B
phenylhydrazine
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C
Benedict's solution
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D
hydroxylamine
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Solution

The correct option is B phenylhydrazine
Glucose reacts with excess phenyl hydrazine to give glucose osazone.
see the given structure.
Option B is the correct answer.

1380841_1133387_ans_4de7b505487c4cfcbb92d73ff3940aa0.png

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