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Name a transition element which does not...

Name a transition element which does not exhibit variable oxidation states.

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Scandium does not exhibit variable oxidatation states.
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SUBHASH PUBLICATION-THE 'd' - AND 'f' - BLOCK ELEMENTS -Question and Answer
  1. Transition metals are very hard and have high melting and boiling poin...

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  2. d' block elements shows variable oxidation states Why.

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  3. Name a transition element which does not exhibit variable oxidation st...

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  4. Sc^(3+) ions are colourless where as V^(3+) ions are coloured. Give re...

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  5. Why Sc^(3+) salts are colourless whereas Cr^(3+) salts are coloured.

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  6. Why Ti^(4+) is colourless where as Cr^(3+) salts are coloured.

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  7. Name the electrode system which have positive E^(0) value in 3d series...

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  8. Give any two reasons for the formation of large number of complex comp...

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  9. Cu^(2+) ions are coloured but Zn^(2+) ions are colourless. Give reason...

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  10. Transition elements shows catalytic property. Give two reason.

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  11. What are interstitial compounds?

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  12. How is potassium dichromate prepared from chromite are ?

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  13. Show that chromates and dichromates are interconvertible.

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  14. Give the structure of chromate ion?

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  15. Give two example to show that potassium dichromate is an oxidising age...

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  16. How is potassium permanganate manufactured from MnO(2) (pyrolusite)?

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  17. Name a compound which is isostructural with KMnO(4).

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  18. What happens when potassium permanganate crystals are heated?

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  19. What is the shape of manganate and permanganate ions? Write structures...

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  20. What is the magnetic nature of manganate and permanganate ions.

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