Questions 29-30 concern the mechanism of acid-catalyzed hydrolysis of methyl formate in aqueous solu — Kinetics Chemistry Question
Question
Questions 29-30 concern the mechanism of acid-catalyzed hydrolysis of methyl formate in aqueous solution shown below:
HCO2CH3(aq) + H+(aq) ⇌ HC(OH)(OCH3)+(aq) fast, unfavorable
HC(OH)(OCH3)+(aq) + H2O(l) → HC(OH)(OH2)(OCH3)+(aq) slow
HC(OH)(OH2)(OCH3)+(aq) → HC(OH2+(aq) + CH3OH(aq) fast
HC(OH2+(aq) ⇌ HCO2H(aq) + H+(aq) fast, favorable
What rate law is predicted by this mechanism?
A.
Rate = k[HCO2CH3]
B.✓ Correct
Rate = k[HCO2CH3][H+]
C.
Rate = k[HCO2CH3]/[H+]
D.
Rate = k[H+]
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