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.
Correct Answer:
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