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COMEDK 2020
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Which one of the following is a second order reaction?

A
$$C{H_3}COOC{H_3} + NaOH\buildrel {} \over \longrightarrow C{H_3}COONa + {H_2}O$$
B
$${H_2} + C{l_2}\buildrel {Sunlight} \over \longrightarrow 2HCl$$
C
$$N{H_4}N{O_3}\buildrel {} \over \longrightarrow {N_2} + 3{H_2}O$$
D
$${H_2} + B{r_2}\buildrel {} \over \longrightarrow 2HBr$$
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