Give equations for the decomposition of a metallic
i] chloride
ii] nitrate with conc. $H_{2} {S O}_{4}$ .

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Solution

1) Decomposition reactions meaning they are the breakdown of a chemical compound into its component elements.
General equation: $A B \to A + B$
2) Metallic sulphates and corresponding mineral acids are formed.
For chloride
$N a C l + H_{2} S O_{4} \to N a H S O_{4} + H C l$
For nitrate with conc. $H_{2} S O_{4}$
$2 N a N O_{3} + H_{2} S O_{4} \to N a_{2} S O_{4} + 2 H N O_{3}$

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