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Chemistry · 2025 · 1 mark
CBSE 2025 · Region 5 · Set 1 · Q14
Assertion (A): Henry's law constant ( K_H ) decreases with increase in temperature. Reason (R): As the temperature increases, solubility of gases in…
Assertion (A) : Henry's law constant $\displaystyle \left(\mathrm{K}_{\mathrm{H}}\right)$ decreases with increase in temperature.
Reason (R) : As the temperature increases, solubility of gases in liquids decreases.
Official answer
(D)
Assertion (A) is false, but Reason (R) is true.
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CBSE Class 12 Chemistry past-paper question from the 2025 board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.