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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

A

sulphuric acid is stronger acid

B

lead acetate is oxidized by sulphuric acid

C

sulphuric acid is expensive

D

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

Text Solution

Verified by Experts

The correct Answer is:
D
`(CH_(3)C CO)_(2) Pb overset(H_(2)SO_(4))rarr PbSO_(4) darr`
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Why is it necessary to use acetic acid and not suplhuric acid for the acidification of sodium extract for testing suplhur by lead acetate test?

Acetic acid s weak acid than sulphuric acid because

Acetic acid is essentially present in

Basicity of sulphurous acid and sulphuric acid are

Why sulphuric acid is stronger than sulphurous acid?

Knowledge Check

  • Acetic acid is weaker than sulphuric acid because

    A
    It is not corrosive like sulphuric acid
    B
    It ionises to a smaller degree
    C
    It decompose to a lower temperature
    D
    it gives only one `H^+` per molecule

  • Acetic acid s weak acid than sulphuric acid because

    A
    it decomposes on increasing temprature
    B
    it has less degree of ionisation
    C
    it has `COOH` group
    D
    none of these

  • Acetic acid is weak acid than sulphuric acid because

    A
    It decompose on increasing temperature
    B
    It has less degree of ionisation
    C
    It has -COOH group
    D
    None of these