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What are complex compounds ? Give exampl...

What are complex compounds ? Give examples.

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Complex compounds : Transition metal atoms or ions form a large number of compounds in which anions or neutrp l groups are bound to metal atom or ion through coordinate covalent bonds. Such compounds are called co-ordination compounds (or) complex compounds.
`Eg. : [Fe(CN)_(6)]^(4-), [Co(NH_(3))_(6)]^(3+)`.
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VIKRAM PUBLICATION ( ANDHRA PUBLICATION)-D AND F- BLOCK ELEMENTS AND CO-ORDINATION COMPOUNDS -VERY SHORT ANSWER QUESTIONS
  1. What is meant by 'disproportionation' ? Give an example of disproporti...

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  2. Aqueous Cu^(2+) ions are blue in colour, where as Aqueous Zn^(2+) ions...

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  3. What are complex compounds ? Give examples.

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  4. Why do the transition metals forin a large number of complex compounds...

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  5. How do transition metals exhibit catalytic activity?

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  6. Give two reactions in which transition metals or their compounds acts ...

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  7. What is an alloy ? Give example.

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  8. Why do the transition metals readily form alloys ?

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  9. How do the ionic character and acidic nature vary among the oxides of ...

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  10. What is the effect of increasing pH on a solution of potassium dichrom...

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  11. Name the oxometal anions of the first series of transition metals in w...

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  12. Permanganate titrations are carried out in the presence of sulphuric a...

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  13. What is Lanthanoid contraction ?

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

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

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  16. What is actinoid contraction ?

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

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  18. What is a coordination polyhedron ?

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  19. What is a double salt? Give example.

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

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