Home
Class 12
CHEMISTRY
Consider the cell reaction : Mg(s)+Cu^...

Consider the cell reaction `:`
`Mg(s)+Cu^(2+)(aq) rarr Cu(s) +Mg^(2+)(aq)`
If `E^(c-)._(Mg^(2+)|Mg(s))` and `E^(c-)._(Cu^(2+)|Cu(s))` are `-2.37` and `0.34V`, respectively. `E^(c-)._(cell)` is

A

`+2.03V`

B

`-2.03V`

C

`+2.71V`

D

`-2.71V`

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • ELECTRO CHEMISTRY

    NARAYNA|Exercise LEVEL-III|57 Videos
  • ELECTRO CHEMISTRY

    NARAYNA|Exercise AIEEE & JEE MAIN PREVIOUS|38 Videos
  • ELECTRO CHEMISTRY

    NARAYNA|Exercise LEVEL-I(C.W)|47 Videos
  • 15TH GROUP ELEMENTS

    NARAYNA|Exercise EXERCISE - 4 (NCERT EXEMPLERS/HOTs)|27 Videos

Similar Questions

Explore conceptually related problems

The cell reaction of a cell is Mg(s)+Cu^(2+)(aq)rarrCu(s)+Mg^(2+)(aq) if the standard reduction potential of Mg and Cu are -2.37 V and +0.34 V respectively The emf of the cell is

Represent the cell for the reaction Mg_(s)+Cu_(aq)^(+2)rarrMg_(aq)^(+2)+Cu_(s)

The reaction Cu^(2+)(aq)+2Cl^(c-)(aq) rarr Cu(s)+Cl_(2)(g) has E^(c-)._(cell)=-1.03V . This reaction

Write Nernst equation for the following cell reaction : Zn(s) | Zn^(2+)(aq)|| Cu^(2+)(aq) | Cu(s)

What is E^(c)._(red) for the reaction : Cu^(2+)+2e^(-) rarr Cu in the half cell Pt_(S^(2)|CuS|Cu) . if E^(c-)._(Cu^(2+)|Cu) is 0.34V and K_(sp) of CuS=10^(-35) ?

What is the Gibbs energy of the following reaction? Zn(s)+Cu^(2+) (aq) rarr Zn^(2+)(aq)+Cu^(2+) (s), E_("cell")^(@)=1.1 V

NARAYNA- ELECTRO CHEMISTRY-LEVEL-II(C.W)
  1. The hydrogen electrode potential depends on

    Text Solution

    |

  2. The following reaction is non-spontaneous

    Text Solution

    |

  3. Consider the cell reaction : Mg(s)+Cu^(2+)(aq) rarr Cu(s) +Mg^(2+)(a...

    Text Solution

    |

  4. The standard reducution potentials of Zn^(2+)|Zn,Cu^(2+)|Cu and Ag^(+)...

    Text Solution

    |

  5. Zn gives H(2) gas with H(2)SO(4) and HCl but not with HNO(3) because

    Text Solution

    |

  6. For the Daniel Cell involving the cell reaction Zn((s))+Cu((aq))^(+2)...

    Text Solution

    |

  7. The position of some metals in the electrochemical series in dectreasi...

    Text Solution

    |

  8. In the Daniel cell which change increases the cell EMF

    Text Solution

    |

  9. The chemical reaction 2AgCl("(fused)")+H(2(g))rarr2HCl((aq))+2Ag((s)...

    Text Solution

    |

  10. The following are some statements about normal hydrogen electrode a)...

    Text Solution

    |

  11. The solution of CuSO(4) in which copper rod is immersed is diluted to ...

    Text Solution

    |

  12. The standard reduction potential of Zn^(2+)|Zn and Cu^(2+)|Cu are -0.7...

    Text Solution

    |

  13. E(Zn^(2+)//Zn)^(0)=-0.76V The EMF of the cell Zn//Zn((1M))^(2+)"||"HCl...

    Text Solution

    |

  14. The emf of a Daniell cell at 298 K is E(1) Zn|ZnSO(4)(0.01 M)||CuSO(...

    Text Solution

    |

  15. Given that E(H(2)O|H(2)|Pt) =0 at 298K. The pressure of H(2) gas would...

    Text Solution

    |

  16. Which graph correctly correlates E(cell) as a function of concentratio...

    Text Solution

    |

  17. In the electrochemical cell H(2)(g),"1 atm"|H^(+)(1M)"||"Cu^(2+)(1M)...

    Text Solution

    |

  18. The potential of the cell containing two hydrogen electrodes as repres...

    Text Solution

    |

  19. The emf of the cell, Zn|Zn^(2+)(0.01M)|| Fe^(2+)(0.001M) | Fe at 2...

    Text Solution

    |

  20. For the cell reaction Cu^(2+)(C(1),aq.)+Zn(s)hArrZn^(2+)(C(2),aq)+Cu...

    Text Solution

    |