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Question

What is B in the following reaction?

A
cyclopentanone oxime
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B
cyclohexanone oxime
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C
pentanone oxime
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D
hexanone oxime
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Solution

The correct option is A cyclopentanone oxime
In the first step nucleophilic addition occurs and a tetrahedral intermediate is formed which upon dehydration forms an oxime.
The reaction is as follows:

Hence, option (a) is the correct answer.

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