Alcohols Phenols And Ethers Question 221

Question: Methyl alcohol can be distinguished from ethyl alcohol using

[KCET 1984; BHU 2000]

Options:

A) Fehling solution

B) Schiff’s reagent

C) Sodium hydroxide and iodine

D) Phthalein fusion test

Show Answer

Answer:

Correct Answer: C

Solution:

$ C_2H_5OH\underset{Iodoformtest}{\mathop{\xrightarrow{NaOH/I_2}}}CHI_3(yellowppt) $

$ CH_3OH\xrightarrow{NaOH/I_2}Noppt $