MCQ

Chemical reactions and precipitates MCQ - Practice Questions with Answers

Solve 1 Chemical reactions and precipitates questions for RAS/RPSC preparation.

Practice questions

Q1Which of the following is the precipitate in the given reaction? Na2SO4(aq) + BaCl2(aq) → BaSO4 + 2NaCl(aq)

A Na2SO4(aq)

B BaSO4(s)

C BaCl2(aq)

D NaCl(aq)

Explanation

In this double-displacement reaction, barium ions combine with sulfate ions to form insoluble barium sulfate. It can be written as Na2SO4(aq) + BaCl2(aq) → BaSO4(s)↓ + 2NaCl(aq). Sodium sulfate and barium chloride are aqueous reactants, while sodium chloride remains dissolved. Therefore, BaSO4(s) is the solid precipitate.

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