Published by:
CGP EDU Academic Team
Published on: August 13, 2026
when reacts with 
forms 
, which is insoluble in water. It is soluble in excess of 
, due to formation of the following complex
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
B
Copper sulphate reacts with potassium cyanide giving a white precipitate of cuprous cyanide and cyanogen gas. The cuprous cyanide dissolves in excess of KCN forming potassium cuprocyanide 
CuCN 
CuCN 
Prepare Smarter with CGP Edu
Get practice questions, solutions, and test series in one place.
Write a Review
Share your experience with this question and solution.
Commentary
Send your comment, doubt, correction, or feedback to admin.
Similar Questions
Explore conceptually related problems
What is the correct electronic configuration of the central atom in
based on crystal field theory?.
Aluminium chloride in acidified aqueous solution forms a complex ‘ A ’ , in which hybridisation sta…
The crystal field stabilisation energy CFSE) for is 18000 The CFSE for will be
The type of isomerism shown by the complex is
The geometry and magnetic behaviour of the complex are
Iron carbonyl, is