JAMB Chemistry 2007 Objective — Question 24
Question 24 of 50 from the Joint Admissions and Matriculation Board (JAMB) Chemistry 2007 Objective paper, with the correct answer and a full explanation.
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Dissolving some pellets of NaOH in water would result in
- A. a decrease in the entropy of the solution
- B. a lowering of the temperature of the solution
- C. an increase in the entropy of the solutionCorrect
- D. a decrease in the free energy of the solution
Explanation
As NaOH dissolves, its ions disperse randomly through the water, increasing the disorder (entropy) of the system.
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