The reaction between X and Y is first order with respect to

Question

The reaction between X and Y is first order with respect to X and zero order with respect to Y.

Experiment	${{[X]} \over {mol\,{L^{ - 1}}}}$	${{[Y]} \over {mol\,{L^{ - 1}}}}$	${{Initial\,rate} \over {mol\,{L^{ - 1}}\,{{\min }^{ - 1}}}}$
I	0.1	0.1	$2 \times {10^{ - 3}}$
I	L	0.2	$4 \times {10^{ - 3}}$
III	0.4	0.4	$M \times {10^{ - 3}}$
IV	0.1	0.2	$2 \times {10^{ - 3}}$

Examine the data of table and calculate ratio of numerical values of M and L. (Nearest Integer)

DivineJEE · Accepted Answer

r=k[X][Y]^0=k[X] Using I II frac4 x 10^-32 x 10^-3=((L / 0.1)) => L=0.2Using I III fracM x 10^-32 x 10^-3=(0.4 / 0.1) => M=8 (M / L)=(8 / 0.2)=40

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