Question

Identify the type of reaction in the following.

$\left(a\right){\mathrm{ZnCO}}_{3\left(aq\right)}+2\mathrm{HCl}\left(\mathrm{aq}\right)\to {\mathrm{ZnCl}}_2\left(\mathrm{aq}\right)+H_2{\mathrm{CO}}_3\left(\mathrm{aq}\right)\left(b\right)2\mathrm{NaBr}\left(\mathrm{aq}\right)+{\mathrm{Cl}}_2\left(g\right)\to 2\mathrm{Na}Cl\left(\mathrm{aq}\right)+{\mathrm{Br}}_2\left(\mathrm{aq}\right)\left(c\right)2\mathrm{CuO}\left(s\right)\stackrel{\mathrm{Heat}}{\to }2\mathrm{Cu}\left(s\right)+O_2\left(g\right)$

Answer 1

(a) Double decomposition reaction.

(b) Displacement reaction.

(c) Decomposition reaction.