Question 301
What physical property change is observed along the lanthanoid series due to lanthanoid contraction?
Question 302
What is the principal oxidation state exhibited by lanthanoids?
Question 303
Which of the following ions are described as strong oxidising agents in the text?
Question 304
What is the primary ore used for the preparation of potassium permanganate?
Question 305
What is generally formed when first series transition metal oxides react with acids?