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[Cr(NH3)6]^(3+) is paramagnetic while [N...

`[Cr(NH_3)_6]^(3+)` is paramagnetic while `[Ni(CN)_4]^(2-)` is diamagnetic. Explain why?

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`[Cr(NH_(3))_(6)]^(3+)`, `[Ni(CN)_(4)]^(2-)`.
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Account for the fact that [Fe(CN)_6]^(3-) is weakly paramagnetic while [Fe(CN)_6]^(2+) is diamagnetic.

(i) Write the geometrical isomer of the complex [Co(en)_(2)Cl_(2)]^(+) . (ii) [NiCl_(4)]^(2-) is paramagnetic while [Ni(CN)_(4)]^(2-) is diamagnetic through both are tetrahedral . Why ?

How will you account for the following : (i) [Fe(CN)_6]^(-) is weakly paramagnetic while [Ni(CN)_4]^(2+) diamagnetic. (ii) [Ni(CO)_4] possess tetrahedral geometry while [Ni(CN)_4]^(2-) is square planar.

[Ni(CN)_(4)]^(2-) is diamagnetic while [Cr(NH_(3))_(6)]^(3+) is paramagnetic. Explain.

(a) What type of isomerism is shown by the complex [Co(NH_(3))_(5)(SCN)]^(2+) ? (b) why is [NiCl_(4)]^(2-) paramagnetic while [Ni(CN)_(4)]^(2-) is diamagnetic ? (Atomic number of Ni=28) (c) Why are low spin tetrahedral complexes rarely observed?

Give reason for the statement [Ni(CN)_(4)]^(2-) is diamagnetic while [NiCl_(4)]^(2-) is paramagnetic in nature .

[Fe(H_2O)_6]^(3+) is strongly paramagnetic whereas [Fe(CN)_6]^(3-) is weakly paramagnetic. Explain.

[NiCl_(4)]^(2-) is paramagnetic while [Ni(CO)_(4)] is diamagnetic though both are tetrahedral Why?

PRADEEP-CORDINATION COMPOUNDS-NCERT Exercises
  1. Aqueous copper sulphate solution (blue in colour) gives: (i). A gree...

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  2. What is the coordination entity formed when excess of aqueous KCN is a...

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  3. Discuss the nature of bonding in the following coordination entities o...

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  4. Draw figure to show the splitting of d orbitals in an octahedral cryst...

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  5. What is spectrochemical series? Explain the difference between a weak ...

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  6. What is crystal field splitting energy? How does the magnitude of tria...

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  7. [Cr(NH3)6]^(3+) is paramagnetic while [Ni(CN)4]^(2-) is diamagnetic. E...

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  8. A solution of [Ni(H(2)O)(6)]^(2+) is green but a solution of [Ni(CN)(4...

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  9. [Fe(CN)(6)]^(4-) and [Fe(H(2)O)(6)]^(2+) are of different colours in d...

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  10. Discuss the nature of bonding in metal carbonyis.

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  11. Give the oxidation state , d-orbital occupation and coordination numbe...

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  12. Write down the IUPAC name for each of the following complexes and indi...

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  13. What is meant by stability of a coordination compound in solution ? St...

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  14. What is meant by the chelate effect? Give and example.

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  15. Discuss briefly giving an example in each case the role of coordinatio...

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  16. How many ions are produced from the complex, [Co(NH(3))(6)]CI(2) in so...

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  17. Amongst the following ions which one has the highest magnetic moment v...

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  18. The oxidation number of cobalt in K[Co(CO)(4)] is:

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  19. Amongst the following, the most stable complex is

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  20. What will be the correct order for the wavelengths of absorption in th...

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