Acetic acid and not sulphuric acid is es...

Acetic acid and not sulphuric acid is essential for acidification of sodium extract for testing sulphur by lead acetate test because

sulphuric acid is stronger acid

lead acetate is oxidized by sulphuric acid

sulphuric acid is expensive

lead acetate will react with `H_(2)SO_` to form white ppt. of lead sulphate which will interfere with the test

Verified by Experts

The correct Answer is:

`(CH_(3)C CO)_(2) Pb overset(H_(2)SO_(4))rarr PbSO_(4) darr`

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Acetic acid is weaker than sulphuric acid because

It is not corrosive like sulphuric acid

It ionises to a smaller degree

It decompose to a lower temperature

it gives only one `H^+` per molecule

it decomposes on increasing temprature

it has less degree of ionisation

it has `COOH` group

none of these

It decompose on increasing temperature

It has less degree of ionisation

It has -COOH group

None of these