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प्रश्न
If 6 liters of hydrogen and 4 liters of chlorine are mixed and exploded and if water is added to the gases formed, find the volume of the residual gas.
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उत्तर १
- 6 litres of hydrogen and 4 litres of chlorine when mixed, results in the formation of 8 litres ofHCl gas.
- When water is added to it, it results in the formation of hydrochloric acid. Chlorine acts as a limiting agent leving behind only 2 litres of hydrogen gas.
iii. Therefore, the volume of the residual gas will be 2 litres.
उत्तर २
\[\ce{H2 + Cl2 -> 2HCl}\]
1 vol. 1 vol. 2 vol.
1 lit. 1 lit. 2 lit.
1 lit. of H2 can use 1 lit. of Cl2
∴ 4 lit. of H2 can be combined with 4 lit. of Cl2
\[\ce{H2 + Cl2 -> 2HCl}\]
6 lit. 4 lit.
1 lit of H2 + 1 lit of Cl2 = 2 lit of HCl
4 lit of H2 forms 2 x 4 = 8 lit HCl
Hence after reaction 8 lit of HCl + 2 lit of H2 i.e. 10 lit
When water is added to the gases formed HCl dissolves and residual gas is 2 lit. H2·
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