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Chemistry · 2024 · 1 mark
CBSE 2024 · Region 1 · Set 3 · Q15
Assertion (A): Δ_mix H for an ideal solution is not equal to zero. Reason (R): A - B interactions in an ideal solution are same as between A - A and…
Assertion $\displaystyle (A): \Delta_{\text {mix }} \mathrm{H}$ for an ideal solution is not equal to zero.
Reason (R): A - B interactions in an ideal solution are same as between A - A and B - B interactions.
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.