In the reduction of an unsaturated aldehyde or ketone using H2 in the presence of a transition metal catalyst, which of the following statements is true?
A) Both the C=C and C=O bonds are reduced at the same rate.
B) The C=C bond is reduced more rapidly than the C=O bond.
C) The C=O bond is reduced more rapidly than the C=C bond.
D) Unsaturated aldehydes and ketones do not undergo reduction under these conditions.
B
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