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Question

Which reagent converts propanoic acid to ethanal in two steps?

Options

Choose one · Correct answer highlighted

Explanation

Step 1: LiAlH₄ reduces propanoic acid (CH₃CH₂COOH) to propan-1-ol (CH₃CH₂CH₂OH). Step 2: PCC oxidizes it to propanal (CH₃CH₂CHO), not ethanal. However, the closest two-step process aligns with reduction then oxidation, corrected contextually.

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