AIIMS2013Chemistry-Coordination Compounds

AIIMS 2013 Chemistry Precipitation Reactions Assertion Reason Question

Type: Assertion Reason-assertion-Medium-Class 12

Assertion : In a mixture of CdCl₂ and CuCl₂, Cd²⁺ gets precipitated in presence of KCN by H₂S. Reason : The stability constant of [Cu(CN)₄]²⁻ is greater than [Cd(CN)₄]²⁻.

A

If both assertion and reason are true and reason is the correct explanation of assertion.

B

If both assertion and reason are true but reason is not the correct explanation of assertion.

C

If assertion is true but reason is false.

D

If both assertion and reason are false.

Correct Answer

Option A

Detailed Explanation

Cd^2+ + 2CN^- -> Cd(CN)_2

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