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Question

Which of the following ketones will not respond to iodoform test?

A
Methyl isopropyl ketone
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B
Ethyl isopropyl ketone
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C
Dimethyl ketone
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D
2-hexanone
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Solution

The correct option is B Ethyl isopropyl ketone
Ethyl isopropyl ketone will not respond to iodoform test as it lacks methyl keto group (CH3C|| O group ) .
All the ketones except ethyl isopropyl ketone gives iodoform test as they contain methyl keto group.
756407_730695_ans_9f11c093cdd94410a290e476efd5639c.png

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