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Question

Methanol and ethanol are distinguished by-

A
Treating with Schiff's reagent
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B
Treating with Lucas reagent
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C
Heating with iodine and alkali
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D
Treating with CrO3 in dil. H2SO4
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Solution

The correct option is C Heating with iodine and alkali
Methanol and ethanol are distinguished by a type of test known as Iodoform. When ethanol is warmed with iodine in the presence of NaOH, it forms a yellow colored precipitate but methanol do not react positively to Iodoform test.

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