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Arrange the following in decreasing orde...

Arrange the following in decreasing order of nucleophilic addition
`CH_(3)CHO, CH_(3)COCH_(3), HCHO, C_(2)H_(5)COCH_(3)`

Text Solution

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The decreasing order is
`HCHO gt CH_(3)CHO gt CH_(3)COCH_(3) gt CH_(3)COC_(2)H_(5)`.
It is due to decreasing +ve on carbonyl carbon, for the attack of nucleophilie.
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Arrange the following in the order of their incresing reactivity towards HCN: CH_(3)CHO, CH_(3)COCH_(3), HCHO, C_(2)H_(5)COCH_(3)

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