問答題
將下列化合物按SN1歷程反應(yīng)的活性由大到小排列
a. (CH3)2CHBr
b. (CH3)3CI
c. (CH3)3CBr
將下列化合物按SN1歷程反應(yīng)的活性由大到小排列
a. (CH3)2CHBr
b. (CH3)3CI
c. (CH3)3CBr