Home
Class 12
CHEMISTRY
The d electron configurations of Cr^(2+)...

The d electron configurations of `Cr^(2+),Mn^(2+),Fe^(2+)" and "Ni^(2+)" are "3d^(4),3d^(5), 3d^(6)" and "3d^(8)` respectively. Which one of the following aqua complexes will exhibit the minimum paramagnetic behaviour? (At. no. of Cr= 24, Mn= 25, Fe= 26, Ni= 28)

A

`[Fe(H_(2)O)_(6)]^(2+)`

B

`[Ni(H_(2)O)_(6)]^(2+)`

C

`[Cr)H_(2)O)_(6)]^(2+0`

D

`[mn(H_(2)O)_(6)]^(2+0`

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • ALCOHOLS, PHENOLS AND ETHERS

    AAKASH INSTITUTE ENGLISH|Exercise Try yourself|5 Videos

  • ALCOHOLS, PHENOLS AND ETHERS

    AAKASH INSTITUTE ENGLISH|Exercise Exercise|40 Videos

  • ALCOHOLS, PHENOLS AND ETHERS

    AAKASH INSTITUTE ENGLISH|Exercise Try Yourself|5 Videos

Similar Questions

Explore conceptually related problems

The d electron congfiguration of Cr^(2+) , Mn^(2+) , Fe^(2+) and Ni^(2+) are 3d^(4) , 3d^(5) , 3d^(6) and 3d^(8) respectively. Which one of the folowing aqua complexes will exhibit the minimum paramagnetic behaviour ? (At. No . Cr = 24, Mn = 25, Fe = 26, Ni = 28)

Which one of the cyano complexes would exhibit the lowest value of para magnetic behaviour ? (At. No. Cr = 24, Mn = 25, Fe = 26, Co = 27)

The d-electron configurations of Cr^(2+), Mn^(2+), Fe^(2+) and Co^(2+) are d^4, d^5, d^6 and d^7 respectively. Which one of the following will exhibit minimum paramagnetic behaviour?

The electronic configuration of Co^(2+) and Cu^(2+) is d^7 and d^(9) respectively. Which of these ions will be more paramagnetic ?

The d electron configuration of [Ru (en)_3]Cl_2 and [Fe(H_2O)_6]Cl_2 , respectively are :

Atomic number of Mn, Fe, Co and Ni are 25, 26, 27 and 28 respectively. Which of the following outer orbital octahedral complexes have same number of unpaired electrons ?

Which one of the following ions has electronic configuration [Ar]3d^(6) ? (At. Nos. Mn = 25, Fe = 26, Co = 27, Ni = 28)

The electronic configuration of Ni (atomic number =28 ) is given as [Ar]4s^(2)3d^(y) .The value of y is

Magnetic moment of Cr^(+2)(Z=24),Mn^(+2)(Z=25) and Fe^(2+) (Z=26) are x,y,z. they are in order

Chromium has the electronic configuration 4s^1 3d^5 rather than 4s^2 3d^4 because

AAKASH INSTITUTE ENGLISH- ALCOHOLS, PHENOLS AND ETHERS-Assignment Section -D (Assertion - reason type question)
  1. The d electron configurations of Cr^(2+),Mn^(2+),Fe^(2+)" and "Ni^(2+)...

    Text Solution

    |

  2. Assertion : Boiling point of p-nitrophenol is greater than that of o-n...

    Text Solution

    |

  3. A : When C(2) H(5) - O- CH(3) is reacted with one mole of Hl then C(2...

    Text Solution

    |

  4. A : When 3,3-dimethyl butan - 2 - ol is heated in presence of concentr...

    Text Solution

    |

  5. A : In esterification reaction , HCOOH is the most reactive acid among...

    Text Solution

    |

  6. A : Ethers can't be distilled upto dryness due to fear of explosion . ...

    Text Solution

    |

  7. Phenol is less acidic than........... .

    Text Solution

    |

  8. A : CH(3) - underset(O)underset(||)(C)-COOH gives haloform reaction ...

    Text Solution

    |

  9. A : Diphenyl ether is prepared by Williamson synthesis . R : This...

    Text Solution

    |

  10. A : Grignard's reagent is prepared in the presence of ether . R :...

    Text Solution

    |

  11. A : CH(3) - underset(CH(3))underset(|)overset(CH(3))overset(|)(C)-CH=...

    Text Solution

    |

  12. A : Two moles of Grignard reagent is consumed in the formation of ter...

    Text Solution

    |

  13. A : bond angle in ether is slightly greater than normal tetrahedral an...

    Text Solution

    |

  14. A : CH(3)-underset(CH(3))underset(|)overset(CH(3))overset(|)(C)-O-CH...

    Text Solution

    |

  15. A : Ortho - cresol is weaker acidic than meta-cresol . R : It is d...

    Text Solution

    |

  16. A : Among all ortho halophenol , fluorophenol is least acidic . R ...

    Text Solution

    |

  17. A : In esterification reaction alcohol act as nucleophile . R : ...

    Text Solution

    |

  18. A : Phenol is manufactured by Dow 's pocess. R : It involves the ...

    Text Solution

    |

  19. A : Primary alcohol is prepared by the reaction of primary amine with ...

    Text Solution

    |

  20. A : The reactivity order of alcohols is 1^(@) gt 2^(@) gt 3^(@) for ...

    Text Solution

    |

  21. A : The dehydration of ethyl alcohol in presence of Al(2)O(3) at 633 ...

    Text Solution

    |