Chemistry · Aldehydes, Ketones and Carboxylic Acids
Identify the missing compound A, X, Y, and Z in the following organic reaction sequence: Compound A → (by Pd-BaSO4/H2 reduction or other means) → X (Ethanal)2CH3CHO (Ethanal) → (dil. NaOH) → Y (But-2-enal) Y (But-2-enal) → (Semicarbazide) → Z
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1A - Ethanal, X - Ethanol, Y - But-2-enal, Z - Semicarbazone✓
- 2A - Methoxymethane, X - Ethanol, Y - Ethanoic acid, Z - Semicarbazide
- 3A - Methoxymethane, X - Ethanoic acid, Y - Acetate ion, Z - Hydrazine
- 4A - Ethanol, X - Acetaldehyde, Y - Butanone, Z - Hydrazone
Correct answer
A - Ethanal, X - Ethanol, Y - But-2-enal, Z - Semicarbazone
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