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 ▸How can you deduce the order of the reaction with respect to the reagent based on the graph of its concentration against time?
What are the different types of intermolecular forces?
Describe the shape of, and bonding in, a molecule of benzene and explain why benzene does not readily undergo addition reactions.
Draw the synthesis reactions, with relevant conditions and reagents, for the synthesis of ethanamine from ethane.