Two Molecules of Phenylhydrazine Condense with Each Molecule of a Given

question 51

Multiple Choice

Two molecules of phenylhydrazine condense with each molecule of a given aldohexose to give an osazone in which:

• A) a phenylhydrazone derivative is formed at C1 only.
• B) a phenylhydrazone is formed at C2 only.
• C) both C1 and C2 are converted to phenylhydrazones.
• D) C1 and C2 are connected by a carbon-carbon double bond.
• E) C1 and C2 are connected via a cyclic hydrazone.

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