It is not advisable to use sulphuric acid in place of acetic acidfor a

1.	It is not advisable to use sulphuric acid in place of acetic acidfor acidification while testing sulphur by lead acetate test. Give reason.
Answer» Lead acetate on reacting with sulphuric acid will give a white ppt of lead sulphatewhih interfere in the detection of sulphur. (CH₃COO)₂Pb +H₂SO₄ → PbSO₄+ 2CH₃COOH

It is not advisable to use sulphuric acid in place of acetic acidfor acidification while testing sulphur by lead acetate test. Give reason.

Answer»

Lead acetate on reacting with sulphuric acid will give a white ppt of lead sulphatewhih interfere in the detection of sulphur.

(CH₃COO)₂Pb +H₂SO₄ → PbSO₄+ 2CH₃COOH