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What is a coordination polyhedron ?...

What is a coordination polyhedron ?

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The spatial arrangement of the ligands which are directly bonded to the central atom or ions defines the geometry about the central atom is called co-ordination polyhedron
Eg. : Octahedral, tetrahedral etc.
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VIKRAM PUBLICATION ( ANDHRA PUBLICATION)-D AND F- BLOCK ELEMENTS AND CO-ORDINATION COMPOUNDS -VERY SHORT ANSWER QUESTIONS
  1. What is actinoid contraction ?

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  2. What are co-ordination compounds? Give two examples.

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  3. What is a coordination polyhedron ?

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  4. What is a double salt? Give example.

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  5. What is difference between a double salt and complex compound ?

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  6. What is a ligand ?

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  7. Give one example each for ionic and neutral ligands.

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  8. How many moles of AgCl is precipitated when I mole of CoCl(3) is treat...

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  9. What is a chelate ligand ? Give example.

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  10. What is an ambidentatc ligand ? Give example.

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  11. CuSO(4).5H(2)O is blue in colour where as anhydrous CuSO(4) is colourl...

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  12. FeSO(4) solution mixed with (NH(4))(2)SO(4) solution in 1 : 1 molar ra...

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  13. How many geometrical isomers are possible in the following coordinatio...

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  14. How many geometrical isomers are possible in the following coordinatio...

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

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  16. [Cr(NH(3))(6)]^(3+) is paramagnetic while [Ni(CN)(4))]^(2-) is diamagn...

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

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

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  19. What is the oxidation state of cobalt in K[Co(CO)(4)]

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  20. What is the oxidation state of cobalt in [Co(NH(3))(6)]^(3+) ?

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