ArnitaDoom ArnitaDoom

02-06-2015
Chemistry

Answered

Which half-reaction correctly represents reduction?(1) Ag --> Ag+ + e–

(2) F2 --> 2 F– + 2e–

(3) Au3+ + 3e–--> Au

(4) Fe2+ + e– --> Fe3+

Verified Answer :

IwAsSoMeGuY IwAsSoMeGuY

02-06-2015

Reduction is the gain of electrons (OILRIG, Oxidisation is Loss, Reduction is Gain)
The only half-reaction showing a gain of electrons is (3) Au3+ + 3e- --> Au

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