Question

(ii) If the solution of K Cro, (potassium chromate) is mixed with barium
sulphate solution (Baso,)...
(a) What is the colour of the precipitate formed?
(b) Name the precipitate.
(c) What is the type of chemical reaction? Define it.
(d) Write the balanced chemical equation.
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Answer 1

Answer:

In this reaction, K2CrO4 is potassium chromate, BaSO4 is barium sulphate, K2SO4 is potassium sulphate, and BaCrO4 is barium chromate. This reaction takes place by double-displacement. Thus, the barium chromate formed is yellow in colour.