HALOGENATION OF PROPANONE

Hint

When writing an expression for the rate of production of a species:

1. For a reaction producing the species, the term is positive (i.e. +k[A][B]).
2. For a reaction consuming the species, the term is negative (i.e. -k[A][B]).

Overall Rate of Production of the enol form of Propanone {d[P_e]/dt}

For the proposed mechanism:

The overall rate of production of the enol form of propanone can be expressed as

d[P_e]/dt = + k₁[H⁺][P_k] + k_-1[P_e][H⁺] + k₂[P_e][I₂]

d[P_e]/dt = + k₁[H⁺][P_k] - k_-1[P_e][H⁺] + k₂[P_e][I₂]

d[P_e]/dt = + k₁[H⁺][P_k] - k_-1[P_e][H⁺] - k₂[P_e][I₂]

d[P_e]/dt = - k₁[H⁺][P_k] + k_-1[P_e][H⁺] + k₂[P_e][I₂]

d[P_e]/dt = - k₁[H⁺][P_k] + k_-1[P_e][H⁺] - k₂[P_e][I₂]