alleryFor an ideal solution, the heat absorbed or evolved on mixing is:
AGreat
BZero
CLarge
DSmall
Answer & Solution
Correct answer: B. Zero
1. The enthalpy of mixing of an ideal solution is zero.
2. So mixing the pure components neither warms nor cools them.
3. No heat is absorbed or evolved.
_Source: syllabus Chemistry Part I, Chapter 2, Solutions._
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