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Question

Catalytic dehydrogenation of a primary alcohol gives a:

A
secondary alcohol
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B
aldehyde
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C
ketone
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D
ester
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Solution

The correct option is B aldehyde

On catalytic dehydrogenation, primary alcohols give aldehydes, secondary alcohols give ketones and tertiary alcohols give alkene. Primary and secondary alcohols show a type of beta-elimination in which OH group from alfa and hydrogen from beta carbon.

Hence, option B is correct.


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