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In Alkaline solution we have chromates a...

In Alkaline solution we have chromates and in acidic solution, dichromates ? Explain.

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JMD PUBLICATION-d-And f-BLOCK ELEMENTS-Example
  1. The d^1 configuration is very unstable in transition metal ions. Exp...

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  2. Which does not belong to first transition series?

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  3. In Alkaline solution we have chromates and in acidic solution, dichrom...

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  4. Write a short note on chromyl chloride test.

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  5. Explain the structure of chromate and dichromate ions.

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

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  7. How acidified K2Cr2O7 reacts with the following : FeSO4

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

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  9. How acidified K2Cr2O7 reacts with the following : Na2SO4

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

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  11. Give the preparation of KMnO4 from pyrolusite ore.

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  12. Draw the structure of permanganate ion.

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

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

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  15. What happens when acidic KMnO4 reacts with Kl ?

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

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

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  18. What are lanthanoids ?

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

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  20. Why are Lanthanides called inner transition metals.

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