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Explain the structure of chromate and di...

Explain the structure of chromate and dichromate
ions.

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JMD PUBLICATION-d-And f-BLOCK ELEMENTS-Example
  1. In Alkaline solution we have chromates and in acidic solution, dichrom...

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  2. Write a short note on chromyl chloride test.

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  3. Explain the structure of chromate and dichromate ions.

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  4. Write reactions of K2Cr2O7, in acidic medium with Kl

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  5. How acidified K2Cr2O7 reacts with the following : FeSO4

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  6. Write reactions of K2Cr2O7, in acidic medium with H2S.

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  7. How acidified K2Cr2O7 reacts with the following : Na2SO4

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  8. Give balanced equations for the reaction between Acidified Potassium d...

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  9. Give the preparation of KMnO4 from pyrolusite ore.

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  10. Draw the structure of permanganate ion.

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  11. Write reactions of KMnO4, in acidic meduim with FeSO4

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  12. How acidified KMnO4 solution reacts with the following in acidic med...

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  13. What happens when acidic KMnO4 reacts with Kl ?

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  14. How acidified KMnO4 solution reacts with the following in acidic med...

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  15. What is the action of heat on K2Cr2O7 and KMnO4?

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  16. What are lanthanoids ?

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  17. Write the general electronic configuration of f-block elements.

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  18. Why are Lanthanides called inner transition metals.

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  19. What are different oxidation states exhibited by lanthanoids ?

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  20. Why do La, Gd and Lu exhibit only +3 oxidation state ?

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