Solutions of manganese metal salts such as manganese sulphate form complex ions with different ligands....

Solutions of manganese metal salts such as manganese sulphate form complex ions with different ligands.
i. Explain what is meant by the terms “ligand” and “complex ion”.
ii. Explain why H2 cannot act as a ligand but H2O can.
iii. If concentrated hydrochloric acid is added to a solution of copper (II) sulphate there is a colour change. Give two reasons why this is the
case.
c) Give the name of:
i. [Cu(H2O)6]2+
ii. [CoCl4]2-
d) State the colour of the following solutions:
i. Sodium dichromate (VI)
ii. Potassium manganate (VII)
e) Transition metal compounds are usually coloured whereas group I, II and III metal compounds are usually white. Explain these differences in terms
of electronic structure?

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Asked by Kill you here on 15th March, 2022