Multiple Choice
Is ZnO + H2O -> Zn(OH)₂ an example of an acidic anhydride or a basic anhydride?
17. Acid and Base Equilibrium
Acids Introduction
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Which of the following best describes acid-base equilibrium?
A
A condition where only acids are present in the solution
B
A situation where the pH of the solution is neutral
C
A state where the concentrations of acid and base are equal
D
A dynamic state where the rate of the forward reaction equals the rate of the reverse reaction
Verified step by step guidance1
Understand that acid-base equilibrium refers to a dynamic state in a chemical reaction involving acids and bases.
Recognize that in equilibrium, the rate of the forward reaction (acid donating a proton to the base) equals the rate of the reverse reaction (base accepting a proton from the acid).
Note that equilibrium does not imply that the concentrations of acids and bases are equal, but rather that their rates of reaction are balanced.
Remember that equilibrium can occur at any pH, not just neutral pH, as it depends on the specific acids and bases involved.
Conclude that the best description of acid-base equilibrium is a dynamic state where the rate of the forward reaction equals the rate of the reverse reaction.
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