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What are the different oxidation states ...

What are the different oxidation states exhibited by the lanthanoids ?

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`rarr` Lanthanoids exhibits +2, +3 states majorly. Sometimes +2 and +4 states exhibited in solid compounds.
`rarr` The common oxidation state of lanthanoids is +3.
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VIKRAM PUBLICATION ( ANDHRA PUBLICATION)-D AND F- BLOCK ELEMENTS AND CO-ORDINATION COMPOUNDS -VERY SHORT ANSWER QUESTIONS
  1. Permanganate titrations are carried out in the presence of sulphuric a...

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  2. What is Lanthanoid contraction ?

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  3. What are the different oxidation states exhibited by the lanthanoids ?

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  4. What is Misch metal ? Given its composition and use.

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  5. What is actinoid contraction ?

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

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  7. What is a coordination polyhedron ?

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  8. What is a double salt? Give example.

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

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  10. What is a ligand ?

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

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

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  13. What is a chelate ligand ? Give example.

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  14. What is an ambidentatc ligand ? Give example.

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

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

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

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

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

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

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