Problem 11
Compare the chemical behaviour of lanthanides and actinides.
Problem 12
Give a thermodynamic account of oxidation states of lanthanides.
Problem 13
Discuss the properties and uses of thorium.
Problem 14
How is thorium extracted? Discuss its chemistry in brief.
Problem 15
What is the action of dilute and conc. acids on oxides of uranium, thorium and plutonium? Give chemical reactions in support of your answer.