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Question
Which is the weakest acid?
Which is the weakest acid?
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Solution
The correct option is C Citric acid
A strong acid is one that completely ionizes (dissociates) in a solution.
In water, one mole of a strong acid HA dissolves yielding one mole of H+ (as hydronium H3O+) and one mole of the conjugate base A.
But a weak acid partially dissociates. At equilibrium, both the acid and the conjugate base are present in solution.
In the given options citric acid dissociates partially when compared to other acids.
Option A is correct.
A strong acid is one that completely ionizes (dissociates) in a solution.
In water, one mole of a strong acid HA dissolves yielding one mole of H+ (as hydronium H3O+) and one mole of the conjugate base A.
But a weak acid partially dissociates. At equilibrium, both the acid and the conjugate base are present in solution.
In the given options citric acid dissociates partially when compared to other acids.
Option A is correct.
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