Question Detail

CHM 102 Practice Questions Objective Question

Question

The reaction of ethanal with one equivalent of methanol and a trace of an acid will give
Options
A Acetal
B Hemiacetal
Correct Answer
C Ketal
D Hemiketal
Correct Answer

Option B is the correct answer.

Detailed Explanation

Ethanal (an aldehyde) reacts with one equivalent of methanol to form a hemiacetal. An acetal requires two equivalents of alcohol. Hemiketals are formed from ketones.

Hint

What is formed from aldehyde and one equivalent of alcohol?

Question Info