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Which of the following methods cannot produce aldehydes?

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in Chemistry – Class 12 by (188k points)
Which of the following methods cannot produce aldehydes?

(a) Oxidation of primary alcohols

(b) Dehydrogenation of secondary alcohols

(c) Ozonolysis of alkenes

(d) Hydration of ethyne with acid

I had been asked this question during an online interview.

My question comes from Preparation of Aldehydes and Ketones in chapter Aldehydes, Ketones and Carboxylic Acids of Chemistry – Class 12

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Correct option is (b) Dehydrogenation of secondary alcohols

Easy explanation: The dehydrogenation of secondary alcohols give ketones. Aldehydes are obtained by the dehydrogenation of primary alcohols.

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