Home
Class 12
CHEMISTRY
For the four successive transition eleme...

For the four successive transition elements (Cr, Mn, Fe and Co), the stability of +2 oxidation state will be in the following order.

A

`Mn gt Fegt Crgt Co`

B

`Fe gt Mn gt Co gt Cr`

C

`Co gt Mn gt Fe gt Cr`

D

`Cr gt Mn gt Co gt Fe`

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • CO -ORDINATION COMPOUNDS

    SHARAM PUBLICATION|Exercise EXERCISE|112 Videos

  • ELECTROCHEMISTRY

    SHARAM PUBLICATION|Exercise EXERCISE|161 Videos

Similar Questions

Explore conceptually related problems

Compare the stability of +2 oxidation state for the elements of the first transition series.

Why does the transition element scandium (Z=21) not exhibit variable oxidation states ?

Describe the factors on which the stability of an oxidation state of lanthanoid elements depends.

A transition element X has the configuration [Ar]d^(4) in its +3 oxidation state. Its atomic number is

Which First row transition element exhibits stable +1 oxidation state

The halides of transition elements become more covalent with increasing oxidation state of the metal. Why ?

SHARAM PUBLICATION-D AND F BLOCK ELEMENTS-EXERCISE
  1. Write down the electronic configuration of gadolinium (Gd). Its atom...

    Text Solution

    |

  2. Which of the following ions is most stable in aqueous solution ?

    Text Solution

    |

  3. For the four successive transition elements (Cr, Mn, Fe and Co), the s...

    Text Solution

    |

  4. Write the electronic configuration Nickel.

    Text Solution

    |

  5. Why are most of the transition metal compounds are paramagnetic ?

    Text Solution

    |

  6. Which of the d - block elements are not regarded as transition element...

    Text Solution

    |

  7. Why Fe^3+ is more stable than Fe^2+ ?

    Text Solution

    |

  8. Why are scandium salts colourless ?

    Text Solution

    |

  9. Out of the following which one has more number of unpaired electrons ?...

    Text Solution

    |

  10. Why enthalpy of atomisation Zn is the lowest in the first transition s...

    Text Solution

    |

  11. Between Sc^(3+) and Cr^(3+) ion which will give colourless compound.

    Text Solution

    |

  12. What is the general electronic configuration of d-block elements ?

    Text Solution

    |

  13. Which metals form the alloy brass ?

    Text Solution

    |

  14. When Ethylene reacts with alkaline solution of KMnO4 a dihydric alcoho...

    Text Solution

    |

  15. What are alloys? Name an important alloy which contains some of the la...

    Text Solution

    |

  16. Write the formula of one complex ion of Cu and Ni.

    Text Solution

    |

  17. Why do transition elements exhibit variable oxidation states ?

    Text Solution

    |

  18. Fill in the blanks : The first transition series starts with the eleme...

    Text Solution

    |

  19. Fill in the blanks : The only metal which has a positive standard redu...

    Text Solution

    |

  20. Fill in the blanks : The transition metals in which vacant spaces are ...

    Text Solution

    |