For the following Assertion and Reason, the correct option is Assertion (A) : When Cu (II) and sulphide ions are mixed, they react together extremely quickly to give a solid. Reason (R) : The equilibr

Question

For the following Assertion and Reason, the correct option is 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 Cu (aq) + S (aq) CuS (s) is high because the solubility product is low. 2+ 2–

(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).

Prashant Kotian · Accepted Answer

Correct answer: D) BOTH (A) AND (R) ARE TRUE BUT (R) IS THE EXPLANATION FOR (A).. A slow or fast process is a kinetic parameter but to an extent less or more is a thermodynamic parameter.

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