Home Chemistry Biomolecules General In osazone formation of three molecules of p…
Chemistry Biomolecules General Single Correct MCQ
Published on: August 13, 2026

In osazone formation of three molecules of phenylhydrazine which is the correct statement

A
All the three molecules react in similar manner
B
Two molecules reacts in similar manner whereas the third reacts in different way
C
All the three molecules react in different way
D
Only two react in same manner but the third molecules remains unreacted

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The correct answer is:
B

In osazone formation first phenyl hydrazine molecule forms hydrazone at C – 1 second phenyl hydrazine molecule Oxidises the second carbon to carbonyl and third phenyl hydrazine molecule forms hydroazone with C– 2.

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