Asked by Cherry

Which of the following is an oxidation reaction?
A.
AuCl4- → AuCl 2- ****

B.
Mn7+ → Mn2+

C.
Cl2 → ClO3-

D.
Co3+ → Co2+
Answered by bobpursley
c. Cl in Cl2 lost electrons to to a positive state (Cl+5)
Answered by Cherry
Darn that was my first answer, I just second guessed myself...thank you!
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