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Why Ti^(4+) is colourless where as Cr^(3...

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

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Given reason : Ti^(4+) salts are colourless where as Cr^(3+) salts are coloured.

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

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

Give reason : SC^(3+) ions are colourless whereas V^(3+) ions are coloured.

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

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SUBHASH PUBLICATION-THE 'd' - AND 'f' - BLOCK ELEMENTS -Question and Answer
  1. Sc^(3+) ions are colourless where as V^(3+) ions are coloured. Give re...

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

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

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

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

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

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

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  8. What are interstitial compounds?

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  9. How is potassium dichromate prepared from chromite are ?

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  10. Show that chromates and dichromates are interconvertible.

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  11. Give the structure of chromate ion?

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

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

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

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  15. What happens when potassium permanganate crystals are heated?

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

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

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  18. Give four examples to show that acidified KMnO(4) is an oxidising agen...

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  19. What is lanthanoid contraction? Mention the cause for it.

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  20. What is lanthanoid contraction? Write the general oxidation state of a...

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