6. Chemical Quantities & Aqueous Reactions

Which of the following compounds contains nitrogen with an oxidation number of +5?

What are the oxidation states of barium and oxygen in the compound BaO?

Given the following species: MnO4^-, Cl2, Fe^3+, and H2O2, which is the strongest oxidizing agent?

What is the oxidation number of phosphorus in LiH2PO4?

Which of the following half-reactions correctly represents an oxidation process?

Which of the following is the correct method to calculate the percent ionization of HA in a 0.10 M solution, given that the acid dissociation constant (K_a) is known?

In the compound CH3COOH (acetic acid), what are the oxidation states of the carbon atoms labeled as (i) in the methyl group (CH3-) and (ii) in the carboxyl group (-COOH)?

What is the oxidation state of an individual nitrogen atom in HNO_3?

When an atom is oxidized, what change occurs to its oxidation number?

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)?