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 ▸Describe and explain the trend in atomic radii across the periodic table
Why does reacting a bromoalkane with ammonia result in a quaternary ammonium salt and not an amine?
Please give the definition of Le Chatilier's principle. Use this to explain what would happen if you increased the temperature of an equilibrium in which the forwards reaction is exothermic.
If we burn 3 moles of carbon in air (as per the equation), what mass (in grams) of carbon dioxide will be produced? What volume will this gas occupy at standard temperature and pressure?