Organic Chemistry Practice Problems Substitution Comparison Practice Problems Solution: When the alkyl bromides (listed here) were subject...

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Solution: When the alkyl bromides (listed here) were subjected to hydrolysis in a mixture of ethanol and water (80% EtOH/20% H2O) at 55°C, the rates of the reaction showed the following order: (CH3)3CBr ˃ CH3Br ˃ CH3CH2Br ˃ (CH3)2CHBr Provide an explanation for this order of reactivity.    

Problem

When the alkyl bromides (listed here) were subjected to hydrolysis in a mixture of ethanol and water (80% EtOH/20% H2O) at 55°C, the rates of the reaction showed the following order:
(CH3)3CBr ˃ CH3Br ˃ CH3CH2Br ˃ (CH3)2CHBr
Provide an explanation for this order of reactivity.