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Question

______ gives yellow precipitate when treated with I2/NaOH.

A
Methanal
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B
Methanol
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C
2-Propanol
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D
1-Propanol
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Solution

The correct option is D 2-Propanol
Iodoform is the organoiodine compound with the formula CHI3. A pale yellow, crystalline, volatile substance, it has a penetrating odor formed by the reaction of ethanol and secondary alcohols CH3CH(OH)CH3,2Propanol will result in the positive iodoform test.

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