MHT CET Chemistry question
To carry out the conversion of unsaturated aldehyde to unsaturated alcohol, which among the following will be the best reducing agent?
Answer: (A)
Solution
LiAlH reduces the C=O to CH–OH without attacking an isolated C=C, whereas Zn/HCl (Clemmensen) and Zn/dil. HSO are nascent-hydrogen systems
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