Home
Class 12
CHEMISTRY
The reduction potentials for the +2 cati...

The reduction potentials for the +2 cations, e.g.
`A^(2+) + 2e^(-) rightarrow A`,
of four metals decrease in the order A, B,C,D, which Statements is/are true?
(P) A reduces `B^(2+)` oxidizes C
(Q) `B^(2+)` oxidizes C
(R ) B oxides D

A

Q only

B

R only

C

P and Q only

D

P and R only

Text Solution

Verified by Experts

The correct Answer is:
A
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

The standard reduction potential for half reactions for four different elements. A, B, C and D are: (i) A_(2) + 2e^(-) rarr 2A^(-), E^(@) = + 2.85 V (ii) B_(2) + 2e^(-) rarr 2B^(-), E^(@) = + 1.36 V (iii) C_(2) + 2e^(-) rarr 2C^(-), E^(@) = + 1.06 V (iv) D_(2) + 2e^(-) rarr 2D^(-), E^(@) = + 0.53 V The strongest oxidising reducing agents smong these :

Give the decreasing order of the acidic properties of oxides. a. ZnO , b. KO_(2) , c. P_(2)O_(5) , d. MgO

The oxide of a metal (R ) can be reduced by the metal (P) and metal (R ) can reduce the oxide of metal (Q). Then the decreasing order of the reactivity of metal (P), (Q) and (R ) with oxygen is :

If A , B , C , D are numbers in increasing order and D , B E are numbers in decreasing order , then which one of the following sequences need neither be in a decreasing nor in an increasing order? E, C, D (b) E, B , C (c) D, B, A (d) A, E ,C

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

    |