6. Chemical Quantities & Aqueous Reactions

What is the oxidation number of Mg in elemental magnesium (Mg)?

Which choice incorrectly identifies the oxidation number (o.n.) for the given species?

What is the oxidation number of copper in CuSO_4?

What is the oxidation state of an individual nitrogen atom in NH2OH (hydroxylamine)?

What is the oxidation state of an individual nitrogen atom in KNO_3?

Which of the following species contains manganese with the highest oxidation number?

In which of the following compounds does nitrogen have an oxidation state of +4?

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

Given a 0.100 M solution of HClO (with Ka = 2.9 × 10^{-8}), what is the concentration of H_3O^+ in the solution?

What is the oxidation number of the carbon atom in CF_4?

In which of the following species does nitrogen have an oxidation number of zero?

What is the oxidation number of nitrogen in NH_3?

What is the oxidation state of an individual sulfur atom in MgSO_4?

How many unpaired electrons are present in the complex ion [FeCl_6]^{4-}?

Which of the following particles are lost by an atom during the oxidation process?