In a(n) _____ the carbonyl group is at the end of the carbon chain, but in a(n) _____ the carbonyl group can be at any other position.
A) aldose; ketose
B) ketose; aldose
C) hexose; heptose
D) aldose; hexose
E) ketose; tetrose

Question

Quizplus · Accepted Answer

The term aldose refers to a carbohydrate in which the carbonyl group (a.k.a. aldehyde group) is located at the end of the carbon chain. In contrast, a ketose refers to a carbohydrate in which the carbonyl group (a.k.a. ketone group) can be located at any other position on the carbon chain.

In A(n) _____ the Carbonyl Group Is at the End