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CGP EDU Academic Team
Published on: August 14, 2026
Why is the oxidation of a primary alcohol witha mixture of sodium dichromate and sulphuric acid not a good method for the preparation of corresponding aldehyde?
Text Solution
Verified by ExpertsThe correct answer is:
B
Primary alcohols can be oxidized to either aldehydes or carboxylic acids depending on the reaction conditions. In the case of the formation of carboxylic acids, the alcohol is first oxidized to an aldehyde which is then oxidized further to the acid.
Primary Alcohol 
Aldehyde 
Carboxylicacid
So, any aldehyde produced will be oxidized further during the reaction.
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