NEET2017Chemistry-Organic Chemistry
NEET 2017 Chemistry Alcohols and Aldehydes MCQ Question
Type: MCQ-conceptual-Hard-Class 12
Consider the following reactions:
i. X →[C₆H₆O] Cu, 573 K → [Ag(NH₃)₂]⁺ Silver mirror observed ii. NH₂−NH−C−NH₂ → Z
Identify A, X, Y and Z.
A
A⁻Methoxymethane, X⁻Ethanol, Y⁻Ethanoic acid, Z⁻Semicarbazide
B
A⁻Ethanol, X⁻Ethanol, Y⁻Bu-enal, Z⁻Semicarbazone
C
A⁻Ethanol, X⁻Acetaldehyde, Y⁻Butanone, Z⁻Hydrazone
D
A⁻Methoxymethane, X⁻Ethanoic acid, Y⁻Acetate ion, Z⁻Hydrazine
Correct Answer
Option C
Detailed Explanation
The reaction sequence involves oxidation of ethanol to acetaldehyde, which gives a silver mirror test, and further reactions lead to hydrazone formation.
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