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What are different oxidation states exhi...

What are different oxidation states exhibited by
lanthanoids ?

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MODERN PUBLICATION-d-AND f- BLOCK ELEMENTS-EXERCISE
  1. Write reactions of K2Cr2O7, in acidic medium with Kl

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  2. Write one oxidising reaction of KMnO4 in basic medium.

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  3. What are different oxidation states exhibited by lanthanoids ?

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  4. Draw the structure of chromate ion CrO4^(2-)

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  5. Write the oxidation of H2S by acidified KMnO4.

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  6. Explain magnetic behaviour of transition elements.

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

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

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

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

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  11. What is lanthanoid contraction ?

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

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  13. Which element belongs to d-block elements ?

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

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

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

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

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

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

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  20. Why separation of lanthanoid elements is difficult ?

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