Class 12Chemistry8-2.Carboxylic acids and Their derivativeProperties of Carboxylic Acids and Their Derivatives
MediumIf the rate of the reaction,$R-CO-Z + Nu^- \rightarrow R-CO-Nu + Z^-$ is fastest,then $Z$ is
- A$Cl$
- B$NH_2$
- C$OC_2H_5$
- D$OCOCH_3$
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