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  4. The best reagent to convert pent-3-en-2-ol into pent-3-en-2-one is

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Q. The best reagent to convert pent-$3$-en-$2$-ol into pent-$3$-en-$2$-one is

ManipalManipal 2012Alcohols Phenols and Ethers

Solution:

$CH_3 - \underset{\overset{|}{O}H}{C}H - CH = CH-CH_3 \to CH_3 - \underset{\overset{||}{O}}{C}- CH = CH - CH_3$ Only suitable reagent is chromic anhydride in glacial acetic acid. Other will also affect bond.

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