In a second order reaction, first order in each reactant `A` and `B`, which one of the following reactant mixtures will provide the highest initial rate?

Options

A. 0.1 mol of A 0.1 mol of B in 0.1 litre solvent
B. 0.2 mol of A and 0.2 mol of B in 0.1 litre solvent
C. 1.0 mol of A and 1.0 mol of B in 1 litre solvent
D. 0.1 mol of A and 0.1 mol of B in 0.2 litre solvent

Explanation

Concentration in moles `L^(-1)` are highest in (b) Rate `prop` conc.