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Write the reaction of potassium iodide w...

Write the reaction of potassium iodide with acidified potassium dichromate.

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MODERN PUBLICATION-d-AND f- BLOCK ELEMENTS-EXERCISE
  1. Lanthanoids are much more paramagnetic than transition elements. Expla...

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

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  3. Write the reaction of potassium iodide with acidified potassium dichro...

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  4. How does permanganate solution react with Fe(II) ions? Write balanced ...

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

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  6. What is lanthanoid contraction ?

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

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  8. Explain with reference to d-block elements: magnetic property.

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  9. What happens when 88% of copper and 12% of tin combine together?

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  10. What are inner transition elements? Why are they so called?

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  11. Why are there only 14 elements in the lanthanoid series?

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

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  13. Discuss the general properties of transition elements with reference t...

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  14. Explain the following: Why do transition metals form alloys readily?

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  15. Why separation of lanthanoid elements is difficult ?

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  16. Zn and Cd are not normally considered as transition metals. Why ?

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  17. Why Zr and Hf exhibit similar properties ?

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  18. Fe^(3+) is more stable than Fe^(2+) . Explain.

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  19. Explain :Transition elements exhibit variable oxidation states.

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  20. Express 1036 in roman numbers.

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