A rubber balloon permeable to all isotopic forms of hydrogen is filled with heavy hydrogen and placed in tank of pure hydrogen. After some times, the balloon will:
A
shrink in size
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B
expand
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C
remain as such
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D
shrink to half of the size
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Solution
The correct option is A expand The expansion is because of the fact that the rate of diffusion of H2 is higher than the rate of effusion of D2.