Question -
The order of decreasing nucleophilicity is
Options:
A .  H2O>OH−>CH3COO−>CH3O−
B .  CH3COO−>CH3O−>HO−>H2O
C .  HO−>CH3O−>CH3COO−>H2O
D .  CH3O−>OH−>CH3COO−>H2O
Answer: Option D : D 1. Due to the presence of -ve charge CH3O−, OH−,CH3COO− , are more nucleophilic than H2O. Further due to + I effect of the CH3 group, CH3O− is more nucleophilic than OH−. 2. CH3COO− has the -ve charge on oxygen stabilized by resonance and therefore its nucloephilicity is less than those of CH3O− and OH−.
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