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Bleaching Powder

Chlorine is p...

Question

Chlorine is prepared by heating a mixture of ${M n O}_{2}$ and NaCl with conc. $H_{2} {S O}_{4}$

True

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False

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Solution

The correct option is A True

Manganese oxide reacts with conc. sulphuric acid and sodium chloride to give chlorine, in addition to manganese dichloride, sodium bisulphate and water.
$4 N a C l + M n O_{2} + 4 H_{2} S O_{4} \to M n C l_{2} + 4 N a H S O_{4} + 2 H_{2} O + C l_{2}$

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