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Statement - I : To prepare aldehydes from primary alcohols, acidified KMnO₄ or K₂Cr₂O₇ is not used.
Statement - II : Strong oxidising agents like acidified KMnO₄ or K₂Cr₂O₇ gives carboxylic acids.

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Both statements I and II are correct

Statement-I is correct and statement-II is incorrect

Statement-I is incorrect and statement-II is correct

Both statements I and II are incorrect

answer is A.

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Detailed Solution

Depending on the oxidising agent used, a primary alcohol is oxidised to an aldehyde which in turn is oxidised to a carboxylic acid.

Strong oxidising agents such as acidified potassium permanganate are used for getting carboxylic acids from alcohols directly. CrO₃ in anhydrous medium is used as the oxidising agent for the isolation of aldehydes.

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