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Give the correct order of stability is s...

Give the correct order of stability is shown by :
`(P) [Al(H_(2)O)_(6)]Cl_(3)`
`(Q) [Al(H_(2)O)_(5)Cl]Cl_(2).H_(2)O`
`(R ) [Al(H_(2)O)_(4)Cl_(2)]Cl.2H_(2)O`
`(S) [Al(H_(2)O)_(3)Cl_(3)].3H_(2)O

A

`PltQltRltS`

B

`PgtRgtQgtS`

C

`PgtQgtRgtS`

D

`PgtQgtSgtR`

Text Solution

Verified by Experts

The correct Answer is:
C
According to Spectro-chemical series, `H_(2)O` is a strong field ligand compared to Cl.
`[Al(H_(2)O)_(6)]Cl_(3)overset("water") to [Al(H_(2)O)_(6)]^(3+)+3Cl^(-)`
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OP TANDON-COORDINATION COMPOUNDS-E. Stability, Colour and Magnetic Properties of Complexes
  1. Amongst Ni(CO)(4), [Ni(CN)(4)]^(2-), NiCl(4)^(2-) :

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  2. In complexes more stability is shown by :

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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  19. What will be the theoretical value of 'spin only' magnetic moment when...

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  20. {:([(NH(3))(5)Co-O-O-Co(NH(3))(5)]^(4+)underset("oxidise") overset([S...

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