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An aldehyde reacts with two molecules of an alcohol in dry HCl. What is the gem-dialkoxy product called?
AAn acetal
BA hemiacetal
CA cyanohydrin
DAn oxime
Answer & Solution
Correct answer: A. An acetal
The first alcohol gives a hemiacetal, and a second alcohol replaces its OH to give the full acetal with two OR groups on one carbon.
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