Home
Class 12
CHEMISTRY
Why Fe^(2+) has smaller radius than Mn^(...

Why `Fe^(2+)` has smaller radius than `Mn^(2+)` ?

Text Solution

Verified by Experts

`Fe^(2+)` has higher value of effective nuclear charge.
Promotional Banner

Topper's Solved these Questions

  • d- AND- f- BLOCK ELEMENTS

    ICSE|Exercise EXERCISE (PART-II) (DESCRIPTIVE QUESTIONS)(SHORT ANSWER QUESTIONS)|50 Videos

  • d- AND- f- BLOCK ELEMENTS

    ICSE|Exercise EXERCISE (PART-II) (DESCRIPTIVE QUESTIONS)(LONG ANSWER QUESTIONS)|51 Videos

  • d- AND- f- BLOCK ELEMENTS

    ICSE|Exercise EXERCISE (PART-I)(MATCH AND FOLLOWINGS):|1 Videos

  • COORDINATION COMPOUNDS

    ICSE|Exercise ISC EXAMINATION QUESTION (PART- II DESCRIPTIVE QUESTIONS)|39 Videos

  • DISTINCTION BETWEEN PAIRS OF COMPOUNDS

    ICSE|Exercise QUESTIONS |155 Videos

Similar Questions

Explore conceptually related problems

Ca^(2+) has a smaller ionic radius than K^(+) because it has ................ .

Al^(3+) is smaller than Ca^(2+) .

cm^2 is a smaller unit of area than m^2 .

Al^(3+) has low ionic radius than Mg^(2+) because

Assertion:- Mg^(2+) is smaller atomic size then F^(-) Resaon :- Mg^(2+) has less number of e^(-)s than F^(-)

Gallium has smaller atomic radius than aluminium because of

(a). Explain why Mn^(3+) is less stable than Mn^(22+) and M^(4+) ions? (b). Cu(I) compounds are not known in aqueous solution.

Why H-S-H bond angle in H_(2)S is smaller than H-O-H bond angle in H_(2)O ?

Why are Mn^(2+) compounds more stable than Fe^(2+) toward oxidation to their +3 state?

Why is Na^(+) cation smaller than the parent atom Na ?

ICSE-d- AND- f- BLOCK ELEMENTS-EXERCISE (PART-II) (DESCRIPTIVE QUESTIONS)(VERY SHORT ANSWER QUESTIONS)
  1. How does the ionic/covalent character of the compounds of a transition...

    Text Solution

    |

  2. Why do transition elements have high value of hydration enthalpy?

    Text Solution

    |

  3. Why Fe^(2+) has smaller radius than Mn^(2+) ?

    Text Solution

    |

  4. Why do most transition metal ions exhibit paramagnetism ?

    Text Solution

    |

  5. How is the magnetic moment of a species related to the number of unpai...

    Text Solution

    |

  6. The electronic configuration of Co^(2+) and Cu^(2+) is d^7 and d^(9) r...

    Text Solution

    |

  7. Which of the following is paramagnetic ? Sc^(3+) (Z=21),Cu^(+)(Z=29)

    Text Solution

    |

  8. Why is Ti^(2+) ion paramagnetic ?

    Text Solution

    |

  9. One unpaired electron in an atom contributes a magnetic moment of 1.1 ...

    Text Solution

    |

  10. Why do transition elements shows variable oxidation states?

    Text Solution

    |

  11. Why are complex ions readily formed when water molecules react with th...

    Text Solution

    |

  12. Arrange the following in increasing order of basic character: MnO, ...

    Text Solution

    |

  13. Arrange the following in increasing order of acidic character: CrO,...

    Text Solution

    |

  14. What happens when KMnO4 is heated ?

    Text Solution

    |

  15. What is Baeyer's reagent ?

    Text Solution

    |

  16. Why is KMnO4 kept in dark bottles ?

    Text Solution

    |

  17. Why is HCl not used to acidify a permanganate solution in volumetric e...

    Text Solution

    |

  18. Why is K(2)Cr(2)O7 generally preferred over Na(2)Cr(2)O(7) , in volume...

    Text Solution

    |

  19. What happens when chromates are kept in acidic solution and dichromate...

    Text Solution

    |

  20. In permanganate ion, all the bonds formed between Mn and oxygen are co...

    Text Solution

    |