Home
Class 12
CHEMISTRY
According to the half-reaction table, ...

According to the half-reaction table,
`Sn^(2+) + 2e^(-) rightarrow Sn` `E_(@) = -0.14V`
`Mn^(2+) + 2e^(-) rightarrow Mn` `E^(@) = -1.03V`
Which species in the better oxidizing agent?

A

`Mn^(2+)`

B

`Sn^(2+)`

C

Mn

D

Sn

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • ELECTROCHEMISTY

    GRB PUBLICATION|Exercise Latimer Diagram, concentration cells|117 Videos
  • ELECTROCHEMISTY

    GRB PUBLICATION|Exercise Batteries|10 Videos
  • ELECTROCHEMISTY

    GRB PUBLICATION|Exercise Subjective type|39 Videos
  • D-BLOCK ELEMENTS

    GRB PUBLICATION|Exercise Subjective Type|18 Videos
  • ENVIRONMENTAL CHEMISTRY

    GRB PUBLICATION|Exercise Straight objective type|40 Videos

Similar Questions

Explore conceptually related problems

According to the standard reduction potentials: Pb^(2+)(aq) + 2e^(-) rightarrow Pb(s) E^(@) = -0.13V Fe^(2+)(aq) + 2e^(-) rightarrow Fe(s) E^(@) = -0.44 Zn^(2+)(aq) + 2e^(-) rightarrow Zn(s) E^(@) = -0.76V Which species will reduce Mn^(3+) to Mn^(2+) [E^(@) = 1.51V but will NOT reduce Cr^(3+) to Cr^(2+) [E^(@) = -0.40V]

Use the standard reduction potentials: Sn^(2+)(aq) + 2e^(-) rightarrow Sn(s) E^(@) = -0.141V Ag^(+)(aq) + e^(-) rightarrow Ag(s) E^(@) = 0.800V To calcultate E^(@) for the reaction: Sn(s) + 2Ag^(+)(aq) rightarrow Sn^(2+)(aq) + 2Ag(s)

For a galvanic cell involving the half-reaction at standard conditions, Au^(3+) + 3e(-) rightarrow Au E^(@) = 1.50V Tl^(+) + e(-) rightarrow Tl E^(@) = -0.34V

Standard potentials (E°) for some half-reactions are given below: Sn^(4+) + 2e rightarrow Sn^(2+) , E^(@) = + 0.15V 2Hg^(2+) + 2e rightarrow Hg_(2)^(2+) , E^(@) = 0.92 V pbo_(2) + 4H^(+) + 2e rightarrow pb^(2+)+ 2H_(2)O , E^(@) = + 1.45 V Based on the above , Which one of the following statement is correct?

Which of the half reactions, when coupled, will make a galvanic cell that will produce the largest voltage under standard conditons? P. Cu^(2+)(aq) + 2e^(-) rightarrow Cu(s) E^(@) = +0.34V Q. Pb^(2+)(aq) + 2e^(-) rightarrow Pb(s) E^(@) = -0.13V R. Ag^(+)(aq) + 3e^(-) rightarrow Al(s) E^(@) = -1.66V

Given below are half-cell reaction: Mn^(2+)+2e^(-) rarr Mn,, E^(@) = -1.18 V 2(Mn^(3+)+e^(-) rarr Mn^(2+)),, E^(@) = +1.51 V The E^(@) for 3Mn^(2+) rarr Mn+2Mn^(3+) will be:

Given below are the half -cell reactions Mn^(2+) + 2e^(-) rarr Mn, E^@ =- 1. 18 V 2 (Mn^(3+) = E^(-) rarr Mn^(2+)). E^@ = + 1.5 V The E^@ for Mn^(2+) rarr Mn+ 2 Mn^(3+) will be.

Given : Co^(3+) + e^(-) to Co^(2+) , E^(@) = +1.81V pb^(4+) + 2e^(-) rightarrow Pb^(2+) , E^(@) = + 1.67V Ce^(4)+ e^(-)rightarrow Ce^(3+), E^(@) = +1.61V Ce^(4)+3e^(-)rightarrow Bi , E^(@) = + 0.20V Oxidation power of the species will increase in the order:

The standard reduction potential E^(@) for the half reactions are as : E^(@) Znrightarrow Zn^2+),E^(@) = +0.76V Fe rightarrow Fe^(2+)+ 2e^(-), E^(@) = 0.41V , The emf for the cell reaction, Fe^(2+)+ZnrightarrowZn^(2+) + Fe is ,

GRB PUBLICATION-ELECTROCHEMISTY-Galvanic Cell and Salt Bridge
  1. Consider the following reactions: X(NO(3)(2) + Y rightarrow X + Y(NO...

    Text Solution

    |

  2. When connected to a Standard Hydrogen Electrode (SHE) electrons flow f...

    Text Solution

    |

  3. Given these standards reduction potentials, what is the free energy ch...

    Text Solution

    |

  4. Given the standard reduction potentials, which statement is correct? ...

    Text Solution

    |

  5. In a galvanic cell in which the following spontaneous reaction takes p...

    Text Solution

    |

  6. For a galvanic cell involving the half-reaction at standard conditions...

    Text Solution

    |

  7. According to the half-reaction table, Sn^(2+) + 2e^(-) rightarrow Sn...

    Text Solution

    |

  8. The reduction potentials for the +2 cations, e.g. A^(2+) + 2e^(-) ri...

    Text Solution

    |

  9. E^(@) = 0.93V for the reactions: Fe(s) + 2M^(+)(aq) rightarrow Fe^(2...

    Text Solution

    |

  10. In the galvanic cell shown below, which arrow indicates the spontaneou...

    Text Solution

    |

  11. What is the standard cell potential for the voltaic cell? Cr || Cr^(...

    Text Solution

    |

  12. What is the E^(@) value for the voltaic cell constructed from the half...

    Text Solution

    |

  13. Based on the reactions and data below, which reaction is least spontan...

    Text Solution

    |

  14. Use the standard reduction potentials: Sn^(2+)(aq) + 2e^(-) rightarr...

    Text Solution

    |

  15. What is the standard cell potential for the reaction, 2Cr(s) + 3Sn^(...

    Text Solution

    |

  16. Which is the weakest oxidizing agent in a 1 M aqueous solution?

    Text Solution

    |

  17. Consider the cell potentials E(Mg^(2+)|Mg)^(0)=-2.37V and E(Fe^(3+)|Fe...

    Text Solution

    |

  18. Use the E^(@) values in the table above to the determining which of th...

    Text Solution

    |

  19. According to the equations and data in the table above, which species ...

    Text Solution

    |

  20. According to the standard reduction potentials above, cathodic protect...

    Text Solution

    |