What is the overall order of this rate equation? Rate =k[H2][NO2]2
Correct answer: C. 3
- A. 1
- B. 2
- C. 3
- D. 4
Explanation
The overall order of a rate equation is determined by adding up the individual orders of all the reactants involved. In this case, the rate equation is given as: Rate = k[H2][NO2]² The individual orders for the reactants are: [H2] has an order of 1. [NO2] has an order of 2. To find the overall order, we add up these individual orders: 1+2 = 3 Therefore, the overall order of the rate equation is 3.
Report an error
The more specific you are, the faster it gets fixed. A source beats an opinion.
Prefer email? [email protected]
About Reaction Kinetics
Reaction kinetics relates reaction rate to concentration, temperature, surface area and catalysts. Questions cover rate laws, reaction order, rate constants, activation energy and the activated complex, including how a catalyst lowers the activation energy without changing the overall energy change or equilibrium position.
Practise Reaction Kinetics
573 free Reaction Kinetics MCQs from Chemistry, each with the correct answer and an explanation. Unlimited attempts, no account needed.
Discussion
Stuck on an option, or know a faster way to get there? Ask or explain it here.
No comments yet. Be the first to explain this one.
Exams that ask Chemistry questions like this
Chemistry is on 14 papers prepared for on TestUstad, and all of them draw the same bank, so this question is worth knowing for every one of them.
More Reaction Kinetics questions
Pulverized CaCu3 reacts faster because of the increase in:
Rate of reaction increases by the addition of catalyst:
Which order of reaction obeys the expression t1/2=1/ka ?
The catalysis in which the catalyst and the reactants are In the same phase is known?
The unit of rate constant K is dm3 mol-1 s-1 for a chemical reaction, and the order of the reaction is?
One mole of a reactant reacts with a rate of 0.6 mol dm-1s-1. What is the rate constant of this reaction if reaction is first order?