Example of thermal decomposition reaction are (i) 2 AgCl → 2 Ag+Cl 2 (ii) CaCO 3 → CaO+CO 2 (iii) 2 H 2 O → 2 H 2+O 2 (iv) 2 KClO 3 → 2 KCl+3 O 2

CBSE 2025 · Region 6 · Set 3 · Q1 · 1 mark

Example of thermal decomposition reaction are
(i)
$\displaystyle 2 \mathrm{AgCl} \rightarrow 2 \mathrm{Ag}+\mathrm{Cl}_{2}$
(ii)
$\displaystyle \mathrm{CaCO}_{3} \rightarrow \mathrm{CaO}+\mathrm{CO}_{2}$
(iii)
$\displaystyle 2 \mathrm{H}_{2} \mathrm{O} \rightarrow 2 \mathrm{H}_{2}+\mathrm{O}_{2}$
(iv)
$\displaystyle 2 \mathrm{KClO}_{3} \rightarrow 2 \mathrm{KCl}+3 \mathrm{O}_{2}$

Chemical Reactions and EquationsCombination and Decomposition ReactionsRemembermcqeasy