Which of the following gases will effuse the most rapidly?Group of answer choicesammoniahydrogenchlorinebromine
Question
Which of the following gases will effuse the most rapidly?Group of answer choicesammoniahydrogenchlorinebromine
Solution
The rate of effusion of a gas is inversely proportional to the square root of its molar mass. This is according to Graham's law of effusion.
Here are the molar masses of the gases mentioned:
- Ammonia (NH3): ~17 g/mol
- Hydrogen (H2): ~2 g/mol
- Chlorine (Cl2): ~70 g/mol
- Bromine (Br2): ~160 g/mol
Since Hydrogen has the smallest molar mass, it will effuse the most rapidly.
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