A yellow powder X when burnt in air produces as gas Y. Identify X and Y and also explain the activity in detail with a diagram and two relevant equations.
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Explanation:
X is bleaching powder.
Y is calcium hydroxide.
Explanation:
X must be bleaching powder with chemical formula CaOCl_2CaOCl2 as it is used for disinfecting drinking water and also a yellow powder.
It can be prepared by the reaction of Ca(OH)_2Ca(OH)2 with Cl_2Cl2 hence Y (dry compound) must be Ca(OH)_2Ca(OH)2 that calcium hydroxide. When calcium hydroxide reacts with chlorine gas it forms bleaching powder and water.
The reaction can be written as:
\mathrm{Ca}(\mathrm{OH})_{2}+\mathrm{Cl}_{2} \rightarrow \mathrm{CaOCl}_{2}+\mathrm{H}_{2} \mathrm{O}Ca(OH)2+Cl2→CaOCl2+H2O
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