redox reaction-online quiz

What is the definition of a redox reaction?

• A reaction involving the movement of protons from one reactant to another.

• A reaction involving the net movement of electrons from one reactant to another.

• A reaction involving the transfer of neutrons between atoms.

• A reaction involving the sharing of electrons equally between atoms.

Which of the following represents an oxidation process?

What is the oxidation number of hydrogen when it is bonded to nonmetals?

What is the oxidation number of a monatomic ion?

• Equal to the ion charge

• Group 1

• Group 2

• Group 17

• Group 18

What is the sum of the oxidation numbers for atoms in a neutral molecule?

• Equal to the charge of the molecule

What is the oxidation number of oxygen in most compounds, excluding peroxides and compounds with fluorine?

In a polyatomic ion, what is the sum of the oxidation numbers of all atoms?

• Equal to the charge of the ion

What is the oxidation number of hydrogen when it is bonded to metals?