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Why does chromic acid react slowly with ketones?
Accepted Answer
Chromic acid (H₂CrO₄) reacts slowly with ketones because the reaction is kinetically hindered. This is primarily due to the steric hindrance around the carbonyl group in ketones. The bulky chromate ion must approach the carbonyl carbon from the less hindered side, which slows down the reaction. Additionally, the carbonyl group in ketones is less electrophilic compared to aldehydes, further reducing the reactivity.
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