Question

to determine of the given sodium hydroxide solution by titrating against standard N/10 acidic acid solution​

Answer 1

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This estimation involves titration of a weak acid that is oxalic acid against a strong base sodium hydroxide and phenolphthalein is the indicator of choice. The reaction between oxalic acid and sodium hydroxide is

(COOH)2 + 2NaOH → (COONa)2 + 2H2O

Since sodium hydroxide is not a primary standard a standard solution of oxalic acid is prepared and used for standardisation of sodium hydroxide.

In acid base titration at the end point the amount of acid becomes chemically equivalent to the amount of base present. In case of strong acid and strong base titration at the end point of solution the solution become neutral.

Explanation:

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