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Question

LiAlH4 converts acetic acid into?

A
Acetaldehyde
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B
Methane
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C
Ethyl alcohol
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D
Methyl alcohol
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Solution

The correct option is D Ethyl alcohol
As refer to IMAGE 01 reduction of carboxylic acid or acetic acid by using LiAlH4 to form 1 alcohol. The nucleophilic H from the hydride reagent adds to the electrophilic carbon in the polar carboxyl group of acetic acid.
Mechanism is shown in IMAGE 02
1056996_1100531_ans_cc2046dae11a493ea6a1918f078437ec.PNG

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