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the standard reduction potentals,E,for the half cells reactions are as Zn=Zn 2+ +2e;E=+0.76V Fe=Fe +2 +2e;E=0.41V The emf of the cell reaction Fe +2 +Zn=Fe+Zn is a)-0.35v b)+0.35v d)-1.17v c)1.17v

the standard reduction potentals,E,for the half cells reactions are as


Zn=Zn2++2e;E=+0.76V


Fe=Fe+2+2e;E=0.41V


The emf of the cell reaction


Fe+2+Zn=Fe+Zn is


a)-0.35v


b)+0.35v  d)-1.17v


c)1.17v


 


 


 

Grade:12

1 Answers

askiitian.expert- chandra sekhar
10 Points
12 years ago

Hi,

Fe+2+Zn=Fe+Zn+2

E cell = -0.41+0.76

           =0.35 V

ans is (b)

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