Redox and Oxidation States Practice
8 problems · instant feedback · full explanations
Redox is electron bookkeeping. These eight problems drill oxidation-state assignment and identifying which species is oxidized, reduced, and acting as the agent.
Q1.
Oxidation is defined as:
Multiple choice · Beginner
Q2.
What is the oxidation state of sulfur in H2SO4?
Numerical answer · Easy
Q3.
In a redox reaction, a reducing agent:
Multiple choice · Easy
Q4.
Oxidation and reduction always occur together in a redox reaction.
True / False · Beginner
Q5.
The usual oxidation state of oxygen in compounds is:
Multiple choice · Easy
Q6.
What is the oxidation state of manganese in the permanganate ion, MnO4-?
Numerical answer · Medium
Q7.
The oxidizing agent is reduced during the reaction.
True / False · Easy
Q8.
The mnemonic OILRIG means:
Multiple choice · Beginner