Experimental studies on the decomposition of compound X give a rate constant with units

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

Problem

M^{-2}\,\text{s}^{-1}

. Four possible rate laws are proposed. Which rate law is consistent with the observed units? (a)

\text{rate}=k[\text{X}]

(b)

\text{rate}=k[\text{X}]^2

(c)

\text{rate}=k[\text{X}]^3

(d)

\text{rate}=k[\text{X}]^{1/2}