Compound A, C_5H_(10)O, forms a phenyl hyrazone, given negative Tollen – InterviewSolution

1.	Compound A, C_5H_(10)O, forms a phenyl hyrazone, given negative Tollen's and iodoform tests and is reduced to n - pentane. What is the compound , A ?
Answer» Solution :Compound A FORMS hydrazone, so it is a CARBONYL compound. It is a ketone as it does not REDUCE Tollens reagent. The ketone does not have methyl group as it does not respond to iodoform test. Thus, the compound is pentanone-3. The STRUCTURE of the compound is `CH_(3)CH_(2)COCH_(2)CH_(3)`.

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