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Chemistry · 2024 · 1 mark
CBSE 2024 · Region 3 · Set 2 · Q13
Assertion (A): Δ_mix H and Δ_mix V are zero for non-ideal solutions. Reason (R): Solute-solvent interactions are not same as pure solute-solute and…
Assertion $\displaystyle (A): \Delta_{\text {mix }} \mathrm{H}$ and $\displaystyle \Delta_{\text {mix }} \mathrm{V}$ are zero for non-ideal solutions.
Reason (R) : Solute-solvent interactions are not same as pure solute-solute and pure solvent-solvent interactions in non-ideal solutions.
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 2024 board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.