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During titration of acetic acid with aq. NaOH solution, the neutralisation graph has a vertical line. This line indicates

(a) alkaline nature of equivalence

(b) acidic nature of equivalence

(c) neutral nature of equivalence

(d) depends on experimental proceeding.

1 Answer

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Best answer

Correct option  (a) alkaline nature of equivalence

Explanation:

In any type of acid-base titration, there is d sudden change in the pH value at the end point. During the titration of a weak acid with a strong base, beyond the equivalent point, the solution will contain the salt and excess of free base.

Due to the presence of free base, solution becomes alkaline in nature.

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