6. Chemical Quantities & Aqueous Reactions

Which of the following species has the highest oxidizing power based on their oxidation numbers?

What is the oxidation number of aluminum in Al2O3?

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

Which of the following compounds at 25°C and 1.0 atm contains an element in a +1 oxidation state?

What is the oxidation state of sulfur in the sulfate ion, SO_4^{2-}?

What is the oxidation state of nitrogen in Mg(NO_2)_2?

In which reaction does the oxidation number of oxygen increase (i.e., becomes less negative or more positive)?

What is the oxidation number of hydrogen in NH_3?

What is the typical oxidation number of oxygen in most compounds?

In which one of the following molecules does chlorine have the highest oxidation number?

What is the oxidation state of manganese (Mn) in Mn(ClO4)3?

What is the average oxidation number of sulfur in sodium thiosulfate, $N_a{2}_{}{S}_2{O}_3$?

What is the oxidation number of magnesium in the compound MgCl_2?

What is the oxidation number of each oxygen atom in an O2 molecule?

Which of the following compounds contains phosphorus (P) with an oxidation number of -3?