In the reaction `2A+ B to A_(2)B ` the rate of consumption of reactant A is

Options

A. Half of the consumption rate of B
B. Equal to the consumption rate of B
C. Twice to the consumption rate B
D. equal to the rate of formation of `A_(2 )` B

Answer

C

Explanation

`-(1)/(2)(d[A])/(dt) =-(d[B])/(dt)`