Excess KCN(aq) is added to a solution of [Co(H2O)6]2+. Identify the complex ion formed and predict its shape and charge.

[Co(CN)6]4-CN has -1 charge so overall charge is -4. CN- is similar sized ligand to H2O so shape is unchanged and remains octahedral.

JJ

Related Chemistry A Level answers

All answers ▸

What is an acid and what is the difference between and strong and weak acid


How can you tell what shape a molecule is going to be?


Using principles of structure and bonding, explain why sulfur has a higher melting point than phosphorus


How would you name complex organic compounds?