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The cell reaction of a cell is Mg(s) + Cu2+(aq)-----------> Cu(s) + Mg2+(aq). If the standard reduction potentials of Mg and Cu are -2.37 and +0.34V respectively . The emf of the cell is  (a)2.03V  (b)-2.03V (c)+2.71V (d) -2.71V
Asked by Balbir | 28 Aug, 2019, 07:52: PM
answered-by-expert Expert Answer
EMF of cell is written as-
E to the power of o subscript c e l l end subscript equals left parenthesis E to the power of o subscript r e d end subscript right parenthesis subscript C a t h o d e end subscript minus left parenthesis E to the power of o subscript r e d end subscript right parenthesis subscript A n o d e end subscript space space space space space space space space equals negative 2.37 minus 0.34 space space space space space space space space space equals negative 2.71 space V
Answered by Ravi | 29 Aug, 2019, 06:21: PM
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The cell reaction of a cell is Mg(s) + Cu2+(aq)-----------> Cu(s) + Mg2+(aq). If the standard reduction potentials of Mg and Cu are -2.37 and +0.34V respectively . The emf of the cell is  (a)2.03V  (b)-2.03V (c)+2.71V (d) -2.71V
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