InterviewSolution
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InterviewSolution
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Two vessels A and B having equal volume contain equal masses of hydrogen in A and helium in B at 300 K. Then, mark the correct statement?A. The pressure exerted by hydrogen is half that exerted by heliumB. The pressure exerted by hydrogen is equal to that exacted by heliumC. Average KE of the molecule of hydrogen is half the average KE of the molecules of heliumD. The pressure exeted by hydrogen is twice theat exerted by helium |
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Answer» Correct Answer - D As, pV=nRT `rArr" "P_(H_(2))=(m)/(M_(H_(2))).(RT)/(V)andP_(He)=(m)/(M_(He)).(RT)/(V)` `therefore" "(P_(H_2))/(P_(He))=(M_(He))/(M_(H_2))=(4 xx 10^(-3))/(2xx10^(-3))=2rArrP_(H_2)=2p_(He)` |
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