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Describe the preparation of potassium pe...

Describe the preparation of potassium permanganate. How does the acidified permanganate solution react with (i) iron(II) ions Write the ionic equations for the reactions

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MODERN PUBLICATION-d-AND f- BLOCK ELEMENTS-EXERCISE
  1. Explain the structure of Cr2O7^(2-)

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

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  3. Describe the preparation of potassium permanganate. How does the acidi...

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  4. Transition elements and their compounds are found to be good catalysts...

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  5. What is lanthanoid contraction ?

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  6. Give the preparation of Potassium Permanganate from Pyrolusite ore.

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  7. Which element belongs to d-block elements ?

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  8. How many groups are there in d-block element?

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  9. What are inner transition elements ? How do they differ from transitio...

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  10. How does lanthanoid contraction affect the physical and chemical prope...

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  11. How does KMnO4 act as a powerful oxidizing agent in neutral, alkaline ...

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  12. Give the general outer electronic configurations of p and d-block elem...

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  13. Which of the following group of transition metals is called coinage me...

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  14. Why separation of lanthanoid elements is difficult ?

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  15. Zn, Cd, Hg are sometimes not considered as transition elements. Commen...

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  16. Why Zr and Hf exhibit similar properties ?

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  17. Write the electronic configurations of Fe^(2+) and Fe^(3+). which of t...

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  18. Explain :Transition elements exhibit variable oxidation states.

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  19. What are the main consequences of lanthanoid contraction ?

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  20. Complete the following chemical equation : KMnO4 overset (513K) rarr

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