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In its fluoride or Oxide, in which a tra...

In its fluoride or Oxide, in which a transition metal exhibits highest oxidation state and why?

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`rarr` In fluorides highest oxidation numbers are achieved in `TiF_(4), VF_(5) and CrF_(6)`.
`rarr` The + 7 state of Mn is represented in `MnO_(3)F.`
` rarr` The highest oxidation number in oxides acheived from `Sc_(2)O_(3)" to "Mn_(2)O_(7)`.
`rarr` In `Mn_(2)O_(7)`, Mn oxidation state is +7.
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VIKRAM PUBLICATION ( ANDHRA PUBLICATION)-D AND F- BLOCK ELEMENTS AND CO-ORDINATION COMPOUNDS -VERY SHORT ANSWER QUESTIONS
  1. Cu^(+2) forms halides like CuF(2), CuCl(2) and CuBr(2) but not CuI(2)....

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  2. The highest Mn fluoride is MnF(4) where as the highest oxide is Mn(2)O...

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  3. In its fluoride or Oxide, in which a transition metal exhibits highest...

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  4. Why Zn^(2+) is diamagnetic whereas Mn^(2+) is paramagnetic ?

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  5. Write 'spin only' formula to calculate the magnetic moment of transiti...

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  6. Calculate the 'spin only' magnetic moment of Fe(aq)^(2+) ion.

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  7. What is meant by 'disproportionation' ? Give an example of disproporti...

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

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  9. What are complex compounds ? Give examples.

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

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  11. How do transition metals exhibit catalytic activity?

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

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  13. What is an alloy ? Give example.

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  14. Why do the transition metals readily form alloys ?

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

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

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

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

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  19. What is Lanthanoid contraction ?

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

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