If for the ester hydrolysis reactions shown below, reaction A was the same rate

Question

If for the ester hydrolysis reactions shown below, reaction A was the same rate as reaction B, which mechanism would best fit these results? (NAS, Sn_l or Sn_2). Note: the results could apply to one, two or all 3 mechanisms________If reaction A was 5 times faster than reaction B, which mechanism above would best fit these results? (NAS, Sn_1 or Sn_2). Note: the results could apply to one, two or all 3 mechanisms________If the reaction below went by an Sn_2 mechanism which reaction would be faster (A, B or the same rate)

Explanation / Answer

a) The reactions A & B are second order reactions because rate determinig step involves ester and as well as base. If Aa & b are have same rate that means both are following sn2.

b) if a faster than b means a follows sn1 an b follows sn2.

c) if bot reactions follows same sn2 reaction, the rate is same for a & b.

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