Question

Determine the overall reaction order for the reaction whose rate law is as follows: rate=k[MnO₄^-][H⁺]:

a. 3

b. 2

c. 1

d. 0

Answer 1

Answer:

Rate law is

rate = k [MnO₄^-][H⁺]

I.e.rate = rate = k [MnO₄^-]¹[H⁺]¹.

Order of the reaction = sum of the powers to which concentrations of the species raised.

[MnO₄^-] raised to 1 and [H⁺] raised to 1.

Hence,

Order = 1 + 1 = 2

Order = 2

Answer option b. 2

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