A) \[3Fe+4{{H}_{2}}O\to F{{e}_{3}}{{O}_{4}}+4{{H}_{2}}\]
B) \[KCl{{O}_{3}}\to KCl+{{O}_{2}}\]
C) \[CaC{{O}_{3}}\to CaO+C{{O}_{2}}\]
D) \[Mg+2HCl\,\to \,MgC{{l}_{2}}+{{H}_{2}}\]
Correct Answer: B
Solution :
Among the given options, decomposition of \[KCl{{O}_{3}}\] is the only unbalanced chemical equation. The balanced equation can be written as: \[2KCl{{O}_{3}}\to 2KCl+3{{O}_{2}}\uparrow \]
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