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Question

Which compound gives positive iodoform test?

A
2-pentanone
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B
Pivaldehyde
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C
Benzaldehyde
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D
Isobutyl alcohol
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Solution

The correct option is B 2-pentanone
2-pentanone gives positive iodoform test.

Iodoform test given by 2-alkanols (OH|CH3CHR) or by methyl ketones [O||CH3CR]

2 pentanone - CH3C||OCH2CH2CH3

The compounds containing given groups show positive iodoform test.

274690_280075_ans.png

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