example:
Cu + Cl2 --> 2CuCl2 This is spontaneous. It is a REDOX.
Cu --> Cu2+ + 2e- (LEO-oxidation)
Cl2 + 2e --> 2Cl- (GER- reduction)
BUT
CuCl2 --> Cu + Cl2 is not spontaneous but can be achieved via electrolysis.
Monday, September 13, 2010
REDOX - electrolysis
This is used to make a chemical take back electrons when it rather wouldn't.
example:
Cu + Cl2 --> 2CuCl2 This is spontaneous. It is a REDOX.
Cu --> Cu2+ + 2e- (LEO-oxidation)
Cl2 + 2e --> 2Cl- (GER- reduction)
BUT
CuCl2 --> Cu + Cl2 is not spontaneous but can be achieved via electrolysis.
example:
Cu + Cl2 --> 2CuCl2 This is spontaneous. It is a REDOX.
Cu --> Cu2+ + 2e- (LEO-oxidation)
Cl2 + 2e --> 2Cl- (GER- reduction)
BUT
CuCl2 --> Cu + Cl2 is not spontaneous but can be achieved via electrolysis.
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