d and f BLOCK ELEMENTS

What is the primary factor that makes MnO4- a stronger oxidising agent than VO2+?

• Higher charge on Mn
• Greater stability of the Mn2+ product
• More oxygen atoms in MnO4-
• Smaller size of Mn

Which of the following statements best describes the trend of highest oxides in the first transition series?

• It decreases steadily across the series
• The highest oxidation number matches the group number up to Mn
• It increases steadily across the series
• It is always equal to the group number

Which of the following elements is most likely to form a stable +2 oxide (MO type) based on the text?

• Iron
• Copper
• Zinc
• Manganese

What is the oxidation state of Vanadium in the blue VO2+ ion?

• +3
• +4
• +5
• +6

What is the oxidation state of Vanadium in the yellow VO2+ ion?

• +3
• +4
• +5
• +6