12
QuizMultiple Choice

Reaction Rates and Equilibrium — Test

Question 12 • Chemistry

Jason has a balanced chemical equation and a rate law for a chemical reaction. What should he do to determine the overall order of the reaction?

Answer
A
add the exponents of the concentrations in the rate law
B
add the coefficients of the reactants and products from the balanced equation
C
add the number of reactants to the rate constant
D
add the coefficients of the reactants from the balanced equation

Explanation

The overall reaction order is the sum of the exponents on the concentration terms in the rate law. For example, if the rate law is rate = k[A]²[B], the overall order is 2 + 1 = 3. The coefficients in the balanced equation do not generally determine the reaction order.

AI-written and checked against the verified answer.

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