Question

The co-ordination number of copper in cuprammonium sulphate is.

• A. 2
• B. 6
• C. 4
• D. – 4

Answer 1

Answer: (C)

4

Answer 2

In Cuprammonium sulphate $\lbrack Cu(NH_{3})_{4}\rbrack SO_{4}$

co-ordination no. of $Cu$ is 4.