Home
Class 9
CHEMISTRY
If .E(Sn^(+4)//Sn^(+2))^(@)=+0.15andE(Au...

If .`E_(Sn^(+4)//Sn^(+2))^(@)=+0.15andE_(Au^(3+)//Au)^(@)=1.5v` Then for the reaction
`35n^(+2)+2Au^(3+)to35n^(+4)+2Au,E_("cell")^(@)` is

A

`+1.35`

B

`+2.55`

C

`-1.35`

D

`-2.55`

Text Solution

Verified by Experts

The correct Answer is:
A
`E_("cell")^(@)=1.5-0.15=1.35`
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

Given , for Sn^(+4) // Sn^(2+) , standard reduction potential is 0.15 V and for Au^(3+)//Au , standard reduction potential is 1.5 V. For the reaction , 3Sn^(2+) + 2 Au^(3+) to 3 Sn^(4+) + 2 Au , the value of E_("cell")^(@) is ,

Consider the following E^@ values . E_(Fe^(3+)//Fe^(2+)^@ = + 0.77 V , E_(Sn^(2+)//Sn)^@=- 15. V The E_(cell)^@ for the reaction , Sn (s) + 2Fe_(aq)^(3+) rarr 2 Fe_(aq.)^(2+) + Sn_(aq.)^(2+) is :

If E_(Au^(+)//Au)^(@) is 1.69 V and E_(Au^(3+)//Au)^(@) is 1.40 V, then E_(Au^(+)//Au^(3+))^(@) will be :

E^(@)(Ni^(2+)//Ni) =- 0.25 volt, E^(@)(Au^(3+)//Au) = 1.50 volt. The emf of the voltaic cell Ni|Ni^(2+) (1.0M)||Au^(3+)(1.0M)|Au is:-

Consider the following E_(0) values, E_(Fe^(3+)//F^(2+))^(0)=+0.77V, E_(Sn^(2+)//Sn)^(0)=-0.14V , the E_(cell)^(0) for the reaction, Sn_((s))+2Fe_((aq.))^(3+)rarr2F_((aq.))^(2+)+Sn_((aq.))^(2+) is:

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

    |