Multiple choice

Which of the following solutions has zero enthalpy?

  1. Ideal solution

  2. Aqueous solution

  3. Solid solution

  4. Buffer solution
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A Correct answer
Explanation

In chemistry, an ideal solution or ideal mixture is a solution with thermodynamic properties analogous to those of a mixture of ideal gases. The enthalpy of solution (or enthalpy of mixing) is zero as is the volume change on mixing; the closer to zero the enthalpy of solution is, the more ideal the behavior of the solution becomes.

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