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Question
Which of the following is incorrect for Henry’s law constant?
Which of the following is incorrect for Henry’s law constant?
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Solution
The correct option is C It decreases with increase in temperature
Henry's law states that the solubility of a gas in a liquid at a given temperature is directly proportional to its partial pressure of the gas present above the solution.
P=KHχ
Where P is the partial pressure of gas over the solution, KH is Henry’s law constant and χ is mole fraction of the gas in the solution.
Characteristics of Henry’s Law Constant:
1. Same unit as that of Pressure
2. Different gas-liquid system have different values of henry's law constant.
3. It increases with temperature
4. It depends on intermolecular forces between gas-liquid.
5. At a particular temperature, its value decreases with increase in solubility.
Henry's law states that the solubility of a gas in a liquid at a given temperature is directly proportional to its partial pressure of the gas present above the solution.
P=KHχ
Where P is the partial pressure of gas over the solution, KH is Henry’s law constant and χ is mole fraction of the gas in the solution.
Characteristics of Henry’s Law Constant:
1. Same unit as that of Pressure
2. Different gas-liquid system have different values of henry's law constant.
3. It increases with temperature
4. It depends on intermolecular forces between gas-liquid.
5. At a particular temperature, its value decreases with increase in solubility.
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