Question 1
Determine the correct oxidation numbers for all three elements in Rb
2SO
3 in the order that the elements are shown in the formula.
◦ –2, +6, –2
◦ –1, +4, –3
◦ +2, +4, –2
◦ +1, +4, –2
◦ +1, +6, –6
Question 2
For the chlorate ion, ClO
3- , what are the oxidation states of the Cl and O, respectively?
◦ – 1, – 2
◦ +5, – 2
◦ +6, – 2
◦ +7, – 2
◦ +2, – 1