Question

In the reaction \[\ce{A + B2 -> AB + B}\], the rate of reaction is directly proportional to the concentration of A and independent on the concentration of B₂. What is the rate law expression?

Options

• rate = k[A] 

• rate = k[B₂]

• rate = k[A] [B₂]

• rate = k[A]² [B₂]

Answer 1

rate = k[A]

Explanation:

\[\ce{A + B2 -> AB + B}\]

Given Rate `∝` [A] and not on [B]

Rate depends on concentration of reactants.

Rate = k[A]