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Explain the structure of Cr2O7^(2-)...

Explain the structure of `Cr_2O_7^(2-)`

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MODERN PUBLICATION-d-AND f- BLOCK ELEMENTS-EXERCISE
  1. Write the oxidation of H2S by acidified KMnO4.

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  2. Explain magnetic behaviour of transition elements.

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  3. Explain the structure of Cr2O7^(2-)

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

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

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

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  7. What is lanthanoid contraction ?

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

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  9. Which element belongs to d-block elements ?

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

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

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

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

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

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

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  16. Why separation of lanthanoid elements is difficult ?

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

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  18. Why Zr and Hf exhibit similar properties ?

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

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  20. Explain :Transition elements exhibit variable oxidation states.

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