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At same temperature and pressure, the ra...

At same temperature and pressure, the rate of diffusion of gas 'X' is `3 sqrt3` times that of a gaseous hydrocarbon of molar mass `54g mol^(-1)`. The molar mass of X in `g mol^(-1)` is

A

16

B

2

C

32

D

28

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The correct Answer is:
B
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