Identify whether the given statements are true or false.
Statement-I: Henry was the first to give a quantitative relation between the pressure and solubility of a gas in a solvent, which is known as Henry’s law.
Statement-II: At a constant temperature, the solubility of a gas in a liquid is directly proportional to the partial pressure of the gas present above the surface of a liquid or solution.
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A.
Statement-I is true but Statement-II is false.
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B.
Both the statements are false.
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C.
Statement-I is false but Statement-II is true.
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D.
Both the statements are true.
Correct Answer:
D. Both the statements are true.
Explanation:
Henry's law describes the relationship between a gas's solubility in a liquid and its pressure. Statement I is accurate, as William Henry was the first to quantify this relationship. Statement II is also correct, as it states the fundamental principle of the law: at a fixed temperature, the amount of gas dissolved in a liquid is proportional to the partial pressure of that gas above the liquid's surface. Since both statements are scientifically sound and factually correct, the answer is that both Statement I and Statement II are true.
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