6. Chemical Quantities & Aqueous Reactions

What is the oxidation number of sodium (Na) in its compounds?

What is the oxidation state of Cl in the ion ClO3^-?

Which of the following represents an oxidation half-reaction?

In the reaction 2 NH3 + 3 CuO → N2 + 3 Cu + 3 H2O, what are the oxidation numbers of nitrogen in NH3 (reactant) and N2 (product)?

What is the oxidation number of oxygen in potassium superoxide (KO_2)?

When determining oxidation numbers, how can you find the oxidation number of a monatomic ion (an ion made of a single element)?

What is the oxidation state of copper (Cu) in Cu_2O?

What is the oxidation number of bromine in the molecule H2Br2O6?

What is the oxidation number of sulfur in Na2S2O3?

In the compound KMnO_4, what is the oxidation number of the manganese (Mn) atom?

What is the oxidation state of boron in Na2B4O7?

What is the oxidation number of oxygen in CO (carbon monoxide)?

What is the oxidation state of phosphorus in H3PO4?

Which compound contains an atom with the highest oxidation number?

What is the oxidation state of manganese (Mn) in the compound Mn(CrO4)2?