Which of the following is a first order reaction

Reaction in which rate depends on first power of concentration of reacting substance is called as first order reaction

$\mathrm{r}\infty {\left[{\mathrm{N}}_2{\mathrm{O}}_5\right]}^1$

$\mathrm{r}\infty {\left[{\mathrm{H}}_2{\mathrm{O}}_2\right]}^1$

$\mathrm{r}\infty {\left[{\mathrm{CH}}_3{\mathrm{COOC}}_2{\mathrm{H}}_5\right]}^1$