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The given redox reaction occurs in a gal...

The given redox reaction occurs in a galvanic cell :
`Zn(s)+Cu^(2+)(0.1M)rarrZn^(2+)(1M)+Cu(s)`.
If `E_(Zn^(2+)|Zn)^(@)=-0.76V and E_(Cu^(2+)|Cu)^(@)=+0.34V,` then at `25^(@)C`, the value of `E_("cell")` is -

A

1.04 V

B

1.10 V

C

1.16 V

D

1.07 V

Text Solution

Verified by Experts

The correct Answer is:
D
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If E_(Cu^(2+)|Cu^(+))^(@)=+0.15V and E_(Cu^(2+)|Cu)^(@) and E_(Cu^(2+)|Cu)^(@)=+0.34V at 25^(@)C, then E^(@) value of the reaction 2Cu^(+)(aq)rarr Cu^(2+)(aq)+Cu(s) is -

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For a standard cell, Cu(s)|Cu^(2+)(0.01M)||Ag^(+)(0.02M)|Ag(s) E_(Cu^(2+)|Cu)^0=+0.34V,E_(Ag^+//Ag)^0=+0.80V Calculate EMF of the cell at 25^(@)C .

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