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+



Answer :

IwAsSoMeGuY
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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