Sodium acetate spontaneously crystallizes out of a supersaturated solution upon standing or upon the addition of a seed crystal. Which of the following is true for the thermodynamic quantities of this system for thisprocess?(a)ΔS < 0J/K, ΔH < 0 J(b)ΔS < 0J/K, ΔH > 0 J(c)ΔS > 0J/K, ΔH < 0J(d)ΔS > 0J/K, ΔH > 0J

Option (c) is correct.

Explanation:

According to 2nd law of thermodynamics, every spontaneous process is associated with increase in entropy ().

As sodium acetate crystallizes out spontaneously therefore it is associated with .

During crystallization, bond formation takes place which results evolution of heat. In other words, crystallization phenomenon is exothermic ().

So, the given crystallization process renders the following thermodynamic quantities- J/K and J

Option (c) is correct.

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