Asked by ji
Which equation describes a reduction?
Upper M g (s) right arrow Uper M g superscript 2 plus (a q) plus 2 e superscript minus.
2 upper C l plus 2 e superscript minus right arrow 2 upper C l superscript minus.
Upper N a (s) right arrow upper N a superscript plus (a q) plus e superscript minus.
Upper A l (s) right arrow upper A l superscript 3 plus (a q) plus 3 e superscript minus.
All Answers 1
Answered by
GPT-5 mini
AI
The second equation: 2 Cl + 2 e^- → 2 Cl^- (more correctly written as Cl2 + 2 e^- → 2 Cl^-).
Reason: reduction is gain of electrons (electrons on the reactant side). The other three show electrons on the product side, so they are oxidations.
Reason: reduction is gain of electrons (electrons on the reactant side). The other three show electrons on the product side, so they are oxidations.
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