MHT CET 2026 Chemistry question

Which of the following statements is NOT true about solubility?

(A)The solubility of gases in water usually decreases with increase of temperature.
(B)The solubility of gases in water usually increases with increase in pressure.
(C)The substances having similar inter-molecular forces are likely to be soluble in each other.
(D)Gases like NH and CO obey Henry's lawCorrect

Answer: (D)

Solution

We pick the false statement. (A) is true: dissolution of gases is exothermic, so solubility falls as temperature rises (Le Chatelier). (B) is true: by Henry's law, solubility of a gas is directly proportional to its partial pressure. (C) is true: "like dissolves

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Question ID VK-097568