Home
Class 12
CHEMISTRY
Consider the following cell reaction ...

Consider the following cell reaction
`Zn +2Ag^(o+)rarr Zn ^(2+)+2Ag.`
Given that
`E^(c-)._(Zn^(2+)(aq)Zn(s))=-0.76V`
`E^(c-)._(Ag^(o+)(aq)Ag(s))=0.80V`
`a.` Calculate the standard `EMF` fo the cell.
`b.` Which ion is more powerful oxidizing agent ?
`c.` Which metal is more powerful reducing agent ?

A

`x+2y`

B

`2x+y`

C

`y-x`

D

`y-2x`

Text Solution

Verified by Experts

The correct Answer is:
c

`E^(c-)._(cell)=(E^(c-)._(red))_(c)-(E^(c-)._(red))_(a)`
`=y-x`
Promotional Banner

Topper's Solved these Questions

  • ELECTROCHEMISTRY

    CENGAGE CHEMISTRY|Exercise Ex 3.2 (Objective)|26 Videos
  • ELECTROCHEMISTRY

    CENGAGE CHEMISTRY|Exercise Ex 3.3 (Objective)|10 Videos
  • ELECTROCHEMISTRY

    CENGAGE CHEMISTRY|Exercise Solved Examples(Electrolysis And Electrolytic Cells)|12 Videos
  • D AND F BLOCK ELEMENTS

    CENGAGE CHEMISTRY|Exercise Archives Subjective|29 Videos
  • GENERAL PRINCIPLES AND PROCESS OF ISOLATION OF ELEMENTS

    CENGAGE CHEMISTRY|Exercise Archives (Subjective)|14 Videos

Similar Questions

Explore conceptually related problems

Find E_(cell)^(@) for the cell : Zn | Zn^(2+)(1M) || Ag^(+)(1M) | Ag [Given that : E_(Zn//Zn^(2+))^(@)=0.76" V" , E_(Ag^(+)//Ag)^(@)=0.80" V" .

The cell reaction Zn(s)+2Ag^(+)(aq)rarrZn^(2+)(aq)+Ag(s) is best represented by

Consider the following cell reaction Cu(s)+2Ag^(+)(aq) rarr Cu^(2+) (aq) +2Ag(s) E_("cell")^(@)=0.46 V By boubling the concentration of Cu^(2+) , E_("cell") is

Calculate the emf of the following cell: Cu(s)|Cu^(2+) (aq)||Ag^(+) (aq)| Ag(s) Given that, E_(Cu^(2+)//Cu)^(@)=0.34 V, E_(Ag//Ag^(+))^(@)=-0.80 V

For the galvanic cell Zn(s)[Zn^2+ (aq)||Ag^+(aq) Ag(s)] , G° of the reaction in joule will be E°_ (Zn^(2+)) /( Zn )= - 0.76V , E°_( Ag_+)/(Ag )= 0.80 V

Consider Delta G^(@) for the following cell reaction : Zn (s) + Ag_(2)O(s)+H_(2)O(l) hArr Zn^(2+)(aq)+2Ag(s)+2OH^(-)(aq) E_(Ag^(+)//Ag)^(@) = +0.80 and E_(Zn^(2+)//Zn)^(@) = - 0.76 V

CENGAGE CHEMISTRY-ELECTROCHEMISTRY-Ex 3.1 (Objective)
  1. If all species are in their standard states, which of the following is...

    Text Solution

    |

  2. The standard EMF of a galvanic cell involving cell reaction with n=2 i...

    Text Solution

    |

  3. The correct order of reactivity of K,Mg,Zn and Cu with water according...

    Text Solution

    |

  4. For Pt(H(2))|H(2)O , reduction potential at 298 K and 1 atm is :

    Text Solution

    |

  5. Consider the cell : Pt|H(2)(p(1)atm)|H^(o+)(x(1)M) || H^(o+)(x(2)M)|...

    Text Solution

    |

  6. If E^(c-).(Fe^(3+)|Fe) and E^(c-).(Fe^(2+)|Fe) are =-0.36 V and -0.439...

    Text Solution

    |

  7. Pt(Cl(2))(p(1))|HCl(0.1M)|(Cl(2))(p(2)),Pt cell reaction will be ender...

    Text Solution

    |

  8. Consider the following cell with hydrogen electrodes at difference pre...

    Text Solution

    |

  9. Consider the following cell reaction Zn +2Ag^(o+)rarr Zn ^(2+)+2Ag....

    Text Solution

    |

  10. The standard reduction potentials of three metals A,B, and C are +0.5 ...

    Text Solution

    |

  11. Calculate the maximum work that can be obtained from the decimolar Dan...

    Text Solution

    |

  12. Stronger the oxidizing agent, greater is the

    Text Solution

    |

  13. Consider the cell Ag(s)|AgBr(s)Br^(c-)(aq)||AgCl(s),Cl^(c-)(aq)|Ag(s) ...

    Text Solution

    |

  14. The pH of LHE in the following cell is : Pt, H(2)(1atm)|H^(o+)(x M)...

    Text Solution

    |

  15. At what concentration of [overset(c-)(O)H] does the following half rea...

    Text Solution

    |

  16. If hydrogen electrodes dipped in two solutions of pH=3 and pH=6 are co...

    Text Solution

    |

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

    Text Solution

    |

  18. E^(c-).(red) of different half cell are given as : E^(c-).(Cu^(2+)|C...

    Text Solution

    |

  19. For the reaction : A+2B^(3+) rarr 2B^(2+)+A^(2+) E^(0) of the give...

    Text Solution

    |

  20. Excess of solid AgCl is added to a 0.1 M solution of Br^(c-) ions. E^(...

    Text Solution

    |