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Decomposition reactions require energy either in the form of heat or light or electricity for breaking down the reactants. Write one equation each for decomposition reactions where energy is supplied in the form of heat, light and electricity.
(a) Decomposition reaction when the heat is supplied- decomposition of lead nitrate.
$2Pb( NO_{3})_{2}\xrightarrow{heat} \ 2PbO\ +\ 4NO_{2\ } +\ O_{2}$
(b) Decomposition reaction when light is supplied- decomposition of silver chloride.
$2AgCl\ \xrightarrow{light} \ 2Ag\ +\ Cl_{2}$
(c) Decomposition reaction where electricity is supplied- decomposition of acidified water.
$2H_{2} O\xrightarrow{electricity} \ 2H_{2} \ +\ O_{2}$
Updated on: 10-Oct-2022
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