An example of a solution not in equilibrium is:
Correct answer: C. Anhydrous solution
- A. Chemical pH indicator
- B. Acid/base buffer
- C. Anhydrous solution
- D. Hypotonic solution
Explanation
The term anhydrous is often applied to crystalline substances after the removal of crystallization water. So it is very obvious that it is not an example of a solution in equilibrium. So the correct answer is C. All other options are incorrect because they are in equilibrium.
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About Reversible Reactions
A reversible reaction proceeds in both forward and backward directions, so reactants and products continue changing until dynamic equilibrium is established. The topic covers the meaning of equilibrium, the equality of forward and reverse rates, and how concentration, pressure and temperature disturb equilibrium, which is separate from the rate at which equilibrium is reached.
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