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 the difference between 'Electrospray Ionisation' and 'Electron Impact' during the ionisation stage in a mass spectrometer?


Identify the dehydration product or products of a) ethanol, b) button-2-ol


What is the difference between exothermic and endothermic?


Explain Le Chatelier's Principle