Question

For a reaction A + B → products, the rate law is given by: r = `K[A]^(1/2)`. What is the order of reaction?

Options

• 2

• 2.5

• 3

• 4.5

Answer 1

2.5

Explanation:

Rate law (r) = `K[A]^(1/2) [B]^2`

Order of reaction = `1/2 + 2 = 2 1/2` = 2.5