Calculate the ratio of effusion rates of oxygen (o2) to hydrogen (h2)

0.251

Explanation:

According to the Graham's law, the rate of effusion of a gas (r) is inversely proportional to the square root of its molar mass (M). The ratio of effusion rates of oxygen (O₂) to hydrogen (H₂) is:

the positions which points up in upward carbon and down in downward carbon are axial

and vice versa holds true for equatorial positions

so the correct answer with labelled diagram will be

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