Which of the following gases effuses most rapidly?
A) nitrogen
B) oxygen
C) hydrogen chloride
D) ammonia
E) carbon monoxide

Name: Which of the following gases effuses most rapidly? A) nitrogen B) oxygen C) hydrogen chloride D) ammonia E) carbon monoxide
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Question

Quizplus · Accepted Answer

According to Graham's law of effusion, the rate of effusion of a gas is inversely proportional to the square root of its molar mass. Ammonia (NH3) has the lowest molar mass among the given options, therefore it will effuse most rapidly.

Which of the Following Gases Effuses Most Rapidly