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Amongst Ni(CO)(4), [Ni(CN)(4)]^(2-), NiC...

Amongst `Ni(CO)_(4), [Ni(CN)_(4)]^(2-), NiCl_(4)^(2-)` :

A

`Ni(CO)_(4)` and `NiCl_(4)^(2-)` are diamagnetic and `[Ni(CN)_(4)]^(2-)` is paramagnetic.

B

`NiCl_(4)^(2-)` and `[Ni(CN)_(4)]^(2-)` are diamagnetic and `Ni(CO)_(4)` is paramagnetic.

C

`Ni(CO)_(4)` and `[Ni(CN)_(4)]^(2-)` are diamagnetic and `NiCl_(4)^(2-)` is paramagnetic.

D

`Ni(CO)_(4)` is diamagnetic and, `NiCl_(4)^(2-)` and `[Ni(CN)_(4)]^(2-)` are paramagnetic.

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The correct Answer is:
C
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OP TANDON-COORDINATION COMPOUNDS-E. Stability, Colour and Magnetic Properties of Complexes
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  2. Select the correct statement .

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  3. Amongst Ni(CO)(4), [Ni(CN)(4)]^(2-), NiCl(4)^(2-) :

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  4. In complexes more stability is shown by :

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  5. Give the correct order of stability is shown by : (P) [Al(H(2)O)(6)]...

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  6. Which of the following complexes is least likely to exist ?

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  7. For the reaction Ni^(2+)+4NH(3) to [Ni(NH(3))(4)]^(2+), at equilibrium...

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  8. An ion M^(2+) forms the complexes. [M(H(2)O)(6)]^(2+)" "[M(en)(3)]^(...

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  9. In the following complexes : (P) NiSO(4)+KCN(Xs) to complex 'I' (Q...

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  10. When hydrochloric acid is added to cobalt nitrate solution at room tem...

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  11. Of the following complex ions, the one that probably has the largest o...

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  12. The magnetic moment of a complex ion is 2.83 BM. The complex ion is :

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  13. Compound A gives blue colour solution with excess of NH(4)OH, it gives...

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  14. K(4)[Fe(CN)(6)] is slightly yellow coloured due to :

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  15. MnO(4)^(-) is of intense pink colour, though Mn is in (7+) oxidation s...

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  16. Among TiF(6)^(2-), CoF(6)^(3-), Cu(2)Cl(2)" and "NiCl(4)^(2-) the colo...

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  17. Aqueous solution of Ni^(2+) contains [Ni(H(2)O)(6)]^(2+) and its magne...

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  18. The complex [Fe(H(2)O)(5)NO]^(2+) is formed in the brown ring test for...

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  19. Aqueous solution of nickel sulphate on treating with pyridine and then...

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  20. The spin only magnetic moment value (in Bohr magneton units) of Cr(CO)...

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