Question

When potassium chromate is added to solution of barium sulphate a precipitate of barium chromate is formed . Its colour ?

Answer 1

The color of barium chromate precipitate is Yellow.

Explanation:

• The reactants involved in this reaction are potassium chromate and barium sulfate.
• The potassium chromate is yellow and is in powdered form.
• Barium sulfate is white and when it is mixed in water, it gives a solution which is milky white.
• The chemical equation involved in the given reaction is

$K_2CrO_4+BaSO_4\rightarrow BaCrO_4$

• As the potassium chromate salt is yellow, when it is added to the milky white solution of barium sulfate, a new compound called barium chromate which is yellow is precipitated.

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