STANDARDChemistry-Aldehyde Ketone and Carboxylic acid
STANDARD Chemistry Preparation of Ketones MCQ Question
Type: MCQ-conceptual-Medium-Class 12
Propanone can be prepared from ethyne by
A
passing a mixture of ethyne and steam over a catalyst, magnesium at 420°C.
B
passing a mixture of ethyne and ethanol over a catalyst zinc chromite
C
boiling ethyne with water and H₂SO₄.
D
treating ethyne with iodine and NaOH.
Correct Answer
Option A
Detailed Explanation
The reaction involves passing ethyne and steam over a magnesium catalyst at 420°C to produce propanone.
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