How many chiral carbons are present in the open-chain form of an aldopentose?

Name: How many chiral carbons are present in the open-chain form of an aldopentose?
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Question

Quizplus · Accepted Answer

An aldopentose has five carbon atoms in its open-chain form. Each of these carbons can potentially have four different substituents, making them chiral centers. Therefore, the open-chain form of an aldopentose contains five chiral carbons. Choice B, three, is not correct because it is not a possibility. Therefore, the only best choice is B.

How Many Chiral Carbons Are Present in the Open-Chain Form