If the rate law of a chemical reaction is k[NH4+]2[NO2–], what is the order of the reaction?

Question

1. The order of the reaction cannot be determined.
2. 3
3. 1
4. 2

Answer 1

If the rate law of a chemical reaction is k[NH4+]2[NO2–], what is the order of the reaction?

1. The order of the reaction cannot be determined.
2. 3
3. 1
4. 2

Answer 2

The answer is the second choice, 3. The way you get the order of the reaction is you add the exponents for each of the chemicals. For NH4 its 2 and for NO2 its 1 even though you cant see it. So the answer would be 3 which is the second choice.