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 ▸PharmaPlus, a drug developer, is required by law to carry out clinical trials on the novel drug ‘AccuPreasure’. AccuPreasure is to be marketed for control of high blood pressure. Give three questions that clinical trials are designed to answer.
When testing for primary, secondary, and teritary alcohols what is the testing reagent and the results of the test?
"Sulfur Dioxide can be represented as a sulfur atom with double bonds to each of two oxygen atoms, explain the shape of this molecule and predict the bond angle".
What is the standard enthalpy change of formation and how does it differ from the standard enthalpy change of reaction?