rate law

Question

For a reaction A + 2B → C, the rate law is r = k[A][B]². The order of reaction is:

RankGuru · Accepted Answer

The **Overall Order** of a chemical reaction is the sum of the powers of the concentrations of the reactants in the experimentally determined rate law.
- Rate Law: $r = k [A]^1 [B]^2$
- Order with respect to A $= 1$
- Order with respect to B $= 2$
- **Overall Order** $= 1 + 2 = 3$
Note: The stoichiometric coefficients (1 and 2 in the reaction) match the order here, which suggests it might be an elementary reaction, but order must be determined experimentally.

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