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Question

Choose the correct statement from the following.

A
He gas diffuses 2 times more than O2.
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B
O2 gas diffuses 2 times more than O2.
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C
CH4 gas diffuses 2 times more than O2.
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D
H2 diffuses 2 times more than He gas.
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Solution

The correct options are
C CH4 gas diffuses 2 times more than O2.
D H2 diffuses 2 times more than He gas.
In option (A),
rHerO2=MO2MHe=324=22
He gas difuses 22 faster than O2.
In option (B),
rO2rSO2=MSO2MO2=6432=2
O2 gas diffuses 2 times faster than SO2.
In option (C),
rCH4rO2=MO2MCH4=3216=2
CH4 gas diffuses 2 times more than O2.
In option (D),
rH2rHe=MHeMH2=42=2
H2 gas diffuses 2 times more than He gas.

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