MCAT Organic Chemistry Question 89: Answer and Explanation

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Question: 89

14. Which of the following can be used to reduce a ketone to a secondary alcohol?

A. CrO₃
B. KMnO₄
C. LiAlH₄
D. Ag₂O

Correct Answer: C

Explanation:

Hydrides like LiAlH₄ and NaBH₄ are reducing agents; as such, they will reduce aldehydes and ketones to alcohols. The other reagents listed are oxidizing agents, which will not act on a ketone.

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