Answered

Which of the following are oxidation half-reactions?


Cr2O72- → Cr3+


MnO4- → MnO2


Fe2+ → Fe3+


Cl- → Cl2

Verified Answer :

sdmatera

The answer is the third choice because is oxidation half reactions, only the oxidation state of the reducing agent changes; in this third choice, Fe2+ is oxidized and becomes Fe3+. Just keep in mind that half reactions usually include the change in electrons:

Fe2+ -> Fe3+ +e-

Related Questions