The mechanism of a hypothetical reaction is given below:

CHEMISTRY · Single correct · A Level · Chemistry · Rate equations · Rate equations

Problem

The mechanism of a hypothetical reaction

\mathrm{X}_2+\mathrm{Y}_2\longrightarrow2\mathrm{XY}

is given below: (i)

\mathrm{X}_2\rightleftharpoons\mathrm{X}+\mathrm{X}

(fast) (ii)

\mathrm{X}+\mathrm{Y}_2\rightleftharpoons\mathrm{XY}+\mathrm{Y}

(slow) (iii)

\mathrm{X}+\mathrm{Y}\longrightarrow\mathrm{XY}

(fast) The overall order of the reaction is: (1)

1

(2)

2

(3)

0

(4)

1.5