Question 1311
What is the colour of the VO2+ ion?
Question 1312
What is the oxidation state of Chromium in the dichromate ion (Cr2O72-)?
Question 1313
What is the colour of the Cr2O72- ion?
Question 1314
What is the formula of the mixed oxide containing Manganese in both +2 and +3 oxidation states?
Question 1315
What is the formula of the mixed oxide containing Cobalt in both +2 and +3 oxidation states?