Assertion : Cu2+ and Cd2+ ions form complexes with excess of potassium cyanide solution.
Reason : On passing H2S gas stable complex [Cu(CN)4]2– is not effected.
(A) Both Assertion and Reason are true and Reason is the correct explanation of Assertion.
(B) Both Assertion and Reason are true but Reason is not correct explanation of Assertion
(C) Assertion is true but Reason is false
(D) Assertion is false but Reason is true