Multiple Choice
In the process of photosynthesis, what molecule replaces the electrons excited by sunlight in Photosystem I?
3. Acids and Bases
Organic Chemistry Reactions
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Which of the following is a common reagent used in the oxidation of alcohols to ketones in organic chemistry reactions?
A
Pyridinium chlorochromate (PCC)
B
Grignard reagent
C
Sodium borohydride (NaBH4)
D
Lithium aluminum hydride (LiAlH4)
Verified step by step guidance1
Identify the functional group transformation: The problem involves the oxidation of alcohols to ketones.
Understand the role of oxidizing agents: Oxidizing agents are substances that can accept electrons and facilitate the oxidation of other molecules.
Review common oxidizing agents: Pyridinium chlorochromate (PCC) is a well-known reagent for oxidizing primary alcohols to aldehydes and secondary alcohols to ketones without over-oxidizing to carboxylic acids.
Differentiate between the given reagents: Grignard reagents are used for forming carbon-carbon bonds, while Sodium borohydride (NaBH4) and Lithium aluminum hydride (LiAlH4) are reducing agents, not oxidizing agents.
Conclude with the correct reagent: Based on the above analysis, Pyridinium chlorochromate (PCC) is the appropriate reagent for oxidizing alcohols to ketones.
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