Chemistry - Chemical Equilibrium Question with Solution | TestHub
ChemistryChemical EquilibriumLe-Chatelier's PrincipleHard2 minQB
ChemistryHardstatement
Statement 1: The solubility of BaSO4 in 0.1 M Na2SO4 is lower than its solubility in pure water.
Statement 2: Increase in sulphate ion concentration shifts the equilibrium BaSO4(s) ⇌ Ba2+(aq) + SO42-(aq) backward.
Options:
Answer:
A
Solution:
Na2SO4 adds SO42-, the common ion With Ksp = [Ba2+][SO42-] fixed, a larger [SO42-] forces [Ba2+], and so the solubility, down
Statement 2 states this backward shift and is the reason for Statement 1
Both are correct and II is the explanation, option (a).
Stream:JEESubject:ChemistryTopic:Chemical EquilibriumSubtopic:Le-Chatelier's Principle
⏱ 2mℹ️ Source: QB
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