1.

(i) Balance the following chemical equation MnO_(2)+HClrarrMnCl_(2)+Cl_(2)+H_(2)O (ii) What is decomposition reaction ? Explain it with suitable example.

Answer»

Solution :`MnO_(2)+4HClrarrMnCL_(2)+2H_(2)O+Cl_(2)`
(ii) A simple reactant breaks down to give simple PRODUCTS and the PROCESS is known as decompositionreaction
Example : `CaCO_(3)(S) overset ("Heat")rarrunderset (("QUICK lime"))(CaO(S)+)CO_(2)(g)`


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