What may happen to dissolved gases in water in hilly regions due to lower air pressure?
Answer and explanation
Correct answer: Amount of dissolved gases may decrease
At higher altitude, atmospheric pressure is generally lower, so the partial pressures of gases above the water may also be lower. According to Henry's law, lower partial pressure tends to reduce the equilibrium amount of those gases dissolved in water. The change is a tendency and also depends on temperature and composition, but pressure is relevant. It does not make gases infinite or prevent solids from dissolving.
Frequently asked questions
What is the correct answer to this question?
Amount of dissolved gases may decrease
Why is this the correct answer?
At higher altitude, atmospheric pressure is generally lower, so the partial pressures of gases above the water may also be lower. According to Henry's law, lower partial pressure tends to reduce the equilibrium amount of those gases dissolved in water. The change is a tendency and also depends on temperature and composition, but pressure is relevant. It does not make gases infinite or prevent solids from dissolving.
Which subject and chapter does this question cover?
This is a Class 11 Chemistry question. Chapter: Chapter 01: Solutions.
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