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| 1. |
If the number of molecules of H2 are double than that of O2, then ratio of kinetic energy of hydrogen and that of oxygen at 300K, is : (a) 1 : 16 (b) 2 : 1 (c) 1 : 1 (d) 1 : 2 |
| Answer» <p style="text-align:justify"><span style="font-family:Arial,Helvetica,sans-serif"><span style="color:#000000"><strong>Correct option (c) 1 : 1 </strong></span></span></p><p style="text-align:justify"><span style="font-family:Arial,Helvetica,sans-serif"><span style="color:#000000"><strong>Explanation:</strong></span></span></p><p style="text-align:justify"><span style="font-family:Arial,Helvetica,sans-serif"><span style="color:#000000">We know that </span></span></p><p style="text-align:justify"><span style="font-family:Arial,Helvetica,sans-serif"><span style="color:#000000">E ∝ T </span></span></p><p style="text-align:justify"><span style="font-family:Arial,Helvetica,sans-serif"><span style="color:#000000">Therefore, the kinetic energy does not depend upon the molecules of the gas. Hence, the kinetic energies of both the gases at a given temperature are same.</span></span></p><p style="text-align:justify"><span style="font-family:Arial,Helvetica,sans-serif"><span style="color:#000000">or EH<sub>2</sub> : EO<sub>2</sub> = 1 : 1 </span></span></p> | |