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Why are Min^(2+) compounds more stable t...

Why are `Min^(2+)` compounds more stable than `Fe^(2+)` towards oxidation to their +3 state ?

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JMD PUBLICATION-d-And f-BLOCK ELEMENTS-Example
  1. Why is the highest oxidation state of a metal exhibited in its oxide...

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  2. Which is stronger reducing agent Cr^(2+) or Fe^(2+) and why ?

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  3. Why are Min^(2+) compounds more stable than Fe^(2+) towards oxidation ...

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  4. What is meant by ‘disproportionation' of an oxidation state ? Give a...

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  5. Why Zn, Cd, Hg are soft and have low m.pt.

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  6. The d^1 configuration is very unstable in transition metal ions. Exp...

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  7. Which does not belong to first transition series?

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

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  9. Write a short note on chromyl chloride test.

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  10. Explain the structure of chromate and dichromate ions.

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

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  12. How acidified K2Cr2O7 reacts with the following : FeSO4

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

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  14. How acidified K2Cr2O7 reacts with the following : Na2SO4

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

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  16. Give the preparation of KMnO4 from pyrolusite ore.

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  17. Draw the structure of permanganate ion.

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

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

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  20. What happens when acidic KMnO4 reacts with Kl ?

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