Gas solubility law: Name the law relating dissolved gas to its partial pressure. Statement focus: The quantity of a gas dissolved in a liquid is directly proportional to the gas’s partial pressure above the liquid at constant temperature. Choose the correct law.
IIT JEE
Chemistry
Difficulty: Easy
Choose an option
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ABoyle’s law
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BRaoult’s law
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CHenry’s law
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DCharles’s law
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EDalton’s law
Answer
Correct Answer: Henry’s law
Explanation
Concept
At constant temperature, gas solubility S in a liquid: S = kH·P (partial pressure). This is Henry’s law.
PitfallsDo not confuse with Boyle’s (P–V), Charles’s (V–T), or Raoult’s (solution vapor pressure) laws.
Final AnswerHenry’s law.