Molecular hydrogen at one atmosphere and helium at two atmospheres occupy volume V each at the same temperature. The rms velocity of hydrogen molecules is x times the rms velocity of helium molecules. What is the value of x?
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a
1
b
2
c
2
d
3
answer is C.
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Detailed Solution
CH2 = xCHeAs c ∝ 1M MHe = xMH2 4 = x2or x = 22 or x = 2