Chemistry · Equilibrium
For the following Assertion and Reason, choose the correct option: Assertion (A): When Cu(II) and sulphide ions are mixed, they react together extremely quickly to give a solid. Reason (R): The equilibrium constant of Cu2+(aq) + S2-(aq) ⇌ CuS(s) is high because the solubility product is low.
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Both (A) and (R) are true and (R) is the correct explanation for (A).✓
- 2Both (A) and (R) are true but (R) is not the correct explanation for (A).
- 3Both (A) and (R) are false.
- 4(A) is false and (R) is true.
Correct answer
Both (A) and (R) are true and (R) is the correct explanation for (A).
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