Which of the following compound on dehydrogenation gives a ketone?

Primary alcohol

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Tertiary alcohol

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Carboxylic acid

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Secondary alcohol

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Solution

The correct option is C Secondary alcohol
A secondary alcohol on dehydrogenation gives a ketone.
$C H_{3} - C H | O H - C H_{3} dehydrogenation - -------------- \to C H_{3} - C | | O - C H_{3}$
A primary alcohol on dehydrogenation gives an aldehdye.
$C H_{3} - C | O H H_{2} dehydrogenation - -------------- \to C H_{3} - C | | O - H$

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