Home
Class 9
CHEMISTRY
Zn(s)+Cl(2)(1 atm ) to Zn^(2+)+2Cl^(-),E...

`Zn(s)+Cl_(2)(1 atm ) to Zn^(2+)+2Cl^(-),E_("Cell")^(@)of the cell is 2.12 v . To increase E`

A

`[Zn^(2+)]` should be increased

B

`[Zn^(2+)]` should be decreased

C

`[Cl^(-)]` should be increased

D

`P_(Cl_(2))` should be decreased

Text Solution

Verified by Experts

The correct Answer is:
B
`E_("cell")=E_("cell")^(@)-(0.059)/(2)"log"([Zn^(2+)][Cl^(-)]^(2))/(PCl_(2)(g))`
Promotional Banner

Topper's Solved these Questions

  • ELECTROCHEMISTRY

    CENGAGE CHEMISTRY|Exercise CHALLENGING EXERCISE|8 Videos

  • ELECTROCHEMISTRY

    CENGAGE CHEMISTRY|Exercise OLYMPIAD AND NTSE LEVEL EXERCISES |10 Videos

  • ELECTROCHEMISTRY

    CENGAGE CHEMISTRY|Exercise MANDATORY EXERCISE (Set - IV)|9 Videos

  • CHEMICAL REACTIONS

    CENGAGE CHEMISTRY|Exercise OLYMPIAD AND NTSE LEVEL EXCERCISES|10 Videos

  • EQUIVALENT MASS

    CENGAGE CHEMISTRY|Exercise OLYMPIAD AND NTSE LEVEL EXERCISES|10 Videos

Similar Questions

Explore conceptually related problems

For the redox process Zn (s) + Cu^(2+) hArr Zn^(2+) + Cu(s) E_("cell")^(@) = + 1.10V which graph correctly represents E_("cell") (Y-axis) as a function of log ([Zn^(2+)])/([Cu^(2+)]) (X-axis) ?

For the cell Zn(s) + 2H^(+)(aq) rightarow Zn^(2+)(aq) + H_(2)(g) , E^(@) = 0.76 V Which change will increase the voltage of the cell?

The standard potential of the cell reaction Zn + Cl_(2) rarr Zn^(2+) + 2Cl^(-) is 2.10"V" . Then the emf of the cell Zn|Zn^(2+)(0.05 M) || Cl^(-1)(0.2"M")|Cl_(2), Pt would be

For the cell given, below Zn|Zn^(2)||Cu^(2+)|Cu,(E_(cell)-E_(cell)^(@)) is -0.12 V. it will be when

Which graph correctly correlates E_(cell) as a function of concentration for the cell Zn(s)+2Ag^+(aq)toZn^(2+)(aq)+2Ag(s), E_(cell)^(@)=1.56V y-axis: E_(cell) , X-axis: log_(10)"([Zn^(2+)])/([Ag^+]^2)

Given that (at T = 298 K) Cu(s) | Cu^(2+)(1.0M) || Ag^(+)(1.0M)| Ag(s) underset(E_(cell)^(@) = 0.46V Zn(s) | Zn^(2+) (1.0M) || Cu^(2+) (1.0M) | Cu(s) underset(E_(cell)^(@) = 1.10V Then E_(cell) for, Zn | Zn^(2+)(0.1M) || Ag^(+)(1.0 M) | Ag at 298 K will be:

CENGAGE CHEMISTRY-ELECTROCHEMISTRY -MULTIPLE CHOICE QUESTIONS WITH ONE OR MORE THAN ONE CORRECT ANSWER
  1. By passage of 1 F electricity

    Text Solution

    |

  2. Which of the following is /are functions (s) of salt bridge ?

    Text Solution

    |

  3. For the cell reaction Cu(s)+Cl(2)(aq)toCu^(2+)(aq)+2Cl-(aq) , cell no...

    Text Solution

    |

  4. Given E(Ag^(+)//Cu)^(@)=0.80V,E(Hg^(2+)//Mg)^(@)=0.79V E(Cu^(2+)//...

    Text Solution

    |

  5. Corrosion of metals can be prevented by

    Text Solution

    |

  6. E(1),E(2)andE(3) are the emf of the following three cells (i) Zn...

    Text Solution

    |

  7. If .E(Sn^(+4)//Sn^(+2))^(@)=+0.15andE(Au^(3+)//Au)^(@)=1.5v Then for t...

    Text Solution

    |

  8. The E(M^(3+)//M^(2+))^(@) value of cr , Mn Fe and Co are - 0.41, +1.57...

    Text Solution

    |

  9. If Cu^(2+)+2etoCu, E^(@)=0.337v,Cu^(2+)+e to Cu, E^(@)=0.153v the...

    Text Solution

    |

  10. Given Pb^(2+)//Pb=-0.12v,Zn^(2+)//Zn=-0.763v find emf of the followin...

    Text Solution

    |

  11. E^(@) for Mg^(2+)//Mg=-2.37v,Zn^(2+)//Zn=-0.76vandFe^(2+)//Fe=-0.44v ...

    Text Solution

    |

  12. Hydrogen gas in not liberated when the following metal is added to d...

    Text Solution

    |

  13. On the basis of the following E^(@) values the strong - est oxidising...

    Text Solution

    |

  14. Zn(s)+Cl(2)(1 atm ) to Zn^(2+)+2Cl^(-),E("Cell")^(@)of the cell is 2.1...

    Text Solution

    |

  15. The standard reduction potential of hydrogen electrode at 1 M conc...

    Text Solution

    |

  16. Alkali metals have high oxidation potential hence they behave as

    Text Solution

    |

  17. When iron is rusted , it is

    Text Solution

    |

  18. Chemical formula of rust is

    Text Solution

    |

  19. The rusting of iron is catalysed by

    Text Solution

    |

  20. Which one of the following metal is used in galvanisation ?

    Text Solution

    |