Question

In the test of sulphate why does observation comes in the form ppt

Answer 1

• A known mass of an organic compound is heated in a carius tube with Sodium Peroxide or fuming nitric acid.
• Sulphur present in the compound is oxidised to sulphuric acid.
• It is precipitated as Barium sulphate by adding excess of Barium Chloride solution in water.
• The precipitate is filtered, washed, dried and weigh.
• Barium sulphate is white ppt.

Hope helpful

♡♡♡