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Ostwald Dilution Law Mathematical Interpretation

Ethanoic acid...

Question

Ethanoic acid on reaction with sodium hydroxide forms an aqueous solution of compound A. Identify compound A and its pH value from the options given below.

A

Sodium carbonate, pH = 11

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B

Sodium acetate, pH = 7

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C

Sodium chloride, pH = 7

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D

Sodium bicarbonate, pH = 8.5

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Solution

The correct option is B Sodium acetate, pH = 7
Ethanoic acid reacs with sodium hydroxide to form a salt known as sodium acetate.
Since, sodium acetate is a salt the pH of the resulting solution will be 7.
Therefore, the correct answer is sodium acetate with pH = 7.

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