Question

Methanol can be distinguished from ethanol by:

• A. heating with $I_2$ and alkali
• B. treating with schiff's reagent
• C. treating $Cr{O}_3$ solution in dil. $H_{2}S{O}_4$
• D. treating with Lucas reagent

Answer 1

Answer: (A)

heating with $I_2$ and alkali

Methanol and ethanol (Ethyl alcohol) 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.

Hence option A is correct.