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Arrange the following in increasing valu...

Arrange the following in increasing value of magnetic moments.
(i) `[Fe(Cn)_6]^(4-)` (ii) ` [Fe(CN)_6]^(3-)`
(iii) `[Cr(NH_3)_6]^(3+)` (iv) `[Ni(H_2O)_4]^(2+)`

A

`ilt ii lt iii lt iv`

B

`iltiiltivltiii`

C

`iiltiii ltiltiv`

D

`iii ltilt ii ltiv`

Text Solution

Verified by Experts

The correct Answer is:
B
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Transition metals and many of their compounds show paramagnetic behaviour where there are unpaired electron or electrons. The magnetic moment arises from the spin and orbital motions in ions or molecule. Magnetic moment of n unpaired electrons is given as mu=sqrt(n(n+2)) Bohr magneton Magnetic moment increases as the number of unpaired electrons increases. Q. Increasing value of magnetic moment of (I) [Fe(CN)_6]^(4-) (II) [Fe(CN)_6]^(3-) , (III) [Cr(NH_3)_6]^(3+) (IV) [Ni(H_2O)_4]^(2+) is:

Increasing value of magnetic moments of 1) Ni(CO)_4 2) [Ti(H_2O)_6]^(2+) 3) [V(H_2O)_6]^(2+) , 4) [Fe(H_2O)_6]^(2+)

Arrange the following complexes in decreasing orger of magnetic moment: [Ni(H_2O)_4]^(2+),[Ni(CN)_4]^(2-),[Fe(CN)_6]^(3-),[Fe(CN)_6]^(4-)

The correct order of magnetic moment (spin only) of following compound is : (i) [FeF_6]^(3-) (ii) [Co(CN)_6]^(3-) (iii) [NiCl_4]^(2-) (iv) [Cu(NH_3)_4]^(2+)

Arrange the following in order of decreasing number of unpaired electrons. : I:[Fe(H_(2)O)_(6)]^(2+) " " II:[Fe(CN)_(6)]^(3-)" " III:[Fe(CN)_(6)]^(4-) " " IV:[Fe(H_(2)O)_(6)]^(3+)

NCERT FINGERTIPS-THE D- AND F- BLOCK ELEMENTS -General Properties Of The Transition Elements
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  2. Select the correct option, among Sc(III) , Ti(IV), Pd(II) and Cu(II) i...

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  3. The correct order of the number of unpaired electrons in the ions Cu^(...

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  4. Calculate the magnetic moment of a divalent ion in aqueous solution if...

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  5. Arrange the following in increasing value of magnetic moments. (i) ...

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  6. Which of the following statements is not correct about magnetic behav...

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  7. The number of unpaired electrons in gaseous species of Mn^(3+), Cr^(3+...

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  8. Which of the following arrangements represent the correct order of the...

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  9. Match the column I with column II and mark the appropriate choice.

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  10. Which of the following transition metal ions is colourless ?

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  11. Amongst TiF6^(2-), CoF6^(3-), Cu2Cl2" and " NiCl4^(2-), which are the ...

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  12. Which of the following compounds is not coloured ?

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  13. Compound that is both paramagnetic and coloured is:

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  14. Most of the transition metals exhibit (i) paramagnetic behaviour ...

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  15. For Zn^(2), Ni^(2+), Cu^(2+) and Cr^(2+) which of the following statem...

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  16. Colour of transition metal ions are due to absorption of some waveleng...

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  17. Which group contains coloured ions out of the following ? 1. Cu^+ ...

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  18. Transition metals make the most efficient catalysts because of their a...

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  19. Interstitial compounds are

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  20. Transition elements form binary compounds with halogens. Which of the ...

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