For an ideal solution, the enthalpy of mixing and the volume of mixing…

Question

For an ideal solution, the enthalpy of mixing and the volume of mixing of the pure components are respectively:

Accepted Answer

B. zero and zero

1. An ideal solution obeys Raoult's law over the entire concentration range.
2. For such solutions $\Delta_{mix}H = 0$ (no heat absorbed or evolved).
3. Also $\Delta_{mix}V = 0$ (volume is additive). Hence both are zero.
_Source: syllabus Chemistry Ch 1 "Solutions", p.12_

Answer

negative and positive

Answer

zero and negative

Answer

positive and zero

For an ideal solution, the enthalpy of mixing and the volume of mixing of the pure components are respectively:

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