Question

The order of reaction is decided by:

• A. temperature
• B. mechanism of reaction as well as relative concentration of reactants
• C. molecularity
• D. pressure

Answer 1

The correct option is B mechanism of reaction as well as relative concentration of reactants

Determination of order of the reaction-

[1] Mechanism of reaction - In case of complex reaction, the order of reaction is given by the sum of power of the reactants of slowest path.

[2] Relative concentration of rectants= If the power of reactants is equal to the relative concentration of reactants then the order can be given by the sum of relative concentration of reactants.

So the correct option is [B].