Assertion Reason CuS Equilibrium (Jee Mains) | ExamDuo
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pH, Buffer & Solubility
Medium
Assertion Reason CuS Equilibrium
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.
SELECT ONE OPTION
A
(A) is false and (R)is true
B
Both (A) and (R) are false
C
Both (A) and (R) are true but (R) is not the explanation for (A)
D
Both (A) and (R) are true but (R) is the explanation for (A)
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