For the reaction $A+2 B \longrightarrow C$, the reaction rate is doubled, if the concentration of $A$ is doubled. The rate is increased by four times When concentrations of both $A$ and $B$ are increased by four limes. The order of the reaction is

Rate of reaction is doubled when concenuation of $A$ us doubled Agan. rate of traction becomes fout times when concentration of A increaned by Iour times It is cleariv shown that thete is no effect on tate of reaction of increasing the concentration of $B$ Thus order with respect to $A$ is 1 and order with respect to $B$ is 0 Total order of reaction $=1$