A compound with an OH and an OR group attached to the same carbon is known as ______.
A) an acetal
B) a hemiacetal
C) a hydrate
D) a vicinal hydrate
E) none of these

Question

Quizplus · Accepted Answer

A compound with an OH and an OR group attached to the same carbon is known as a hemiacetal. This is because it contains both an alcohol functional group (OH) and an ether functional group (OR), and it is formed from the reaction of an aldehyde or ketone with an alcohol. Acetals (choice A) have two OR groups attached to the same carbon, while hydrates (choice C) have an additional water molecule attached to the same carbon as the OH group. Vicinal hydrates (choice D) refer to compounds with two OH groups attached to adjacent carbons.

A Compound with an OH and an OR Group Attached