Question:
Four vessels of same volume consist equal masses of four gases \(\text{H}_2\), \(\text{Cl}_2\), \(\text{N}_2\), and \(\text{O}_2\) separately at same temperature. The pressure exerted by the gas is maximum for
Four vessels of same volume consist equal masses of four gases \(\text{H}_2\), \(\text{Cl}_2\), \(\text{N}_2\), and \(\text{O}_2\) separately at same temperature. The pressure exerted by the gas is maximum for
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At constant \(m\), lower molar mass â higher pressure.
Updated On: Apr 26, 2026
- \(\text{H}_2\)
- \(\text{Cl}_2\)
- \(\text{N}_2\)
- \(\text{O}_2\)
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The Correct Option is A
Solution and Explanation
Concept:
\[ P \propto n \quad (\text{since } V,T \text{ constant}) \] Step 1: Relation. \[ n = \frac{m}{M} \]
Step 2: Compare molar masses. \[ \text{H}_2 (2)<\text{N}_2 (28)<\text{O}_2 (32)<\text{Cl}_2 (71) \]
Step 3: Conclusion. Smallest molar mass â maximum moles â maximum pressure.
\[ P \propto n \quad (\text{since } V,T \text{ constant}) \] Step 1: Relation. \[ n = \frac{m}{M} \]
Step 2: Compare molar masses. \[ \text{H}_2 (2)<\text{N}_2 (28)<\text{O}_2 (32)<\text{Cl}_2 (71) \]
Step 3: Conclusion. Smallest molar mass â maximum moles â maximum pressure.
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