Question

# The order of reactivity of $$CH_3CHO,CH_3COC_2H_5 \, and \, CH_3COCH_3$$ is:

A
CH3CHO>CH3COCH3>CH3COC2H5
B
C2H5COCH3>CH3COCH3>CH3CHO
C
CH3COCH3>CH3CHO>C2H5COCH3
D
CH3COCH3>C2H5COCH3>CH3CHO

Solution

## The correct option is C $$CH_3CHO > CH_3COCH_3 > CH_3COC_2H_5$$Since order of reactivity depends upon stability of leaving group which is $$CH_3COO^- > CH_3O^-$$ and also on electrophilicity of carbonyl carbon. Since $$CH_3COC_2H_5$$ has has less electrophilic due to more (+)  inductive effect of alkyl group so it is less reactive.Chemistry

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