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Multiple Choice
Which of the following reagents is not typically used in the oxidation of alcohols to ketones?
A
CrO3 (Chromium trioxide)
B
KMnO4 (Potassium permanganate)
C
PCC (Pyridinium chlorochromate)
D
LiAlH4 (Lithium aluminum hydride)
Verified step by step guidance
1
Identify the functional group transformation: The problem involves the oxidation of alcohols to ketones.
Recall common oxidizing agents: CrO3, KMnO4, and PCC are well-known oxidizing agents used in organic chemistry for converting alcohols to ketones.
Understand the role of each reagent: CrO3 and PCC are specifically used for oxidizing secondary alcohols to ketones, while KMnO4 is a strong oxidizing agent that can also achieve this transformation.
Consider the properties of LiAlH4: Lithium aluminum hydride is a reducing agent, not an oxidizing agent. It is typically used to reduce carbonyl compounds to alcohols, not the other way around.
Conclude which reagent does not fit: Since LiAlH4 is a reducing agent, it is not used for the oxidation of alcohols to ketones, making it the correct answer to the problem.