d and f BLOCK ELEMENTS

In the series VO2+, Cr2O72-, MnO4-, what is the primary reason for the increasing oxidising power?

• Increasing charge density
• Decreasing atomic size
• Increasing stability of the lower species formed
• Higher oxidation state

What is the oxidation state of Titanium in the oxocation TiO2+?

• +2
• +3
• +4
• +5

What is the oxidation state of Vanadium in the oxocation VO2+?

• +3
• +4
• +5
• +6

What is the general trend for the highest oxidation numbers in transition metal oxides up to which group?

• Group 6
• Group 7
• Group 8
• Group 9

Which of the following is NOT a known higher oxide of Iron?

• Fe2O3
• Fe3O4
• FeO
• FeO4