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How does KMnO4 act as a powerful oxidizi...

How does `KMnO_4` act as a powerful oxidizing agent in neutral, alkaline or acidic medium ?

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MODERN PUBLICATION-d-AND f- BLOCK ELEMENTS-EXERCISE
  1. What are inner transition elements? Why are they so called?

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

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

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

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

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  6. Why separation of lanthanoid elements is difficult ?

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

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  8. Why Zr and Hf exhibit similar properties ?

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

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  10. Explain :Transition elements exhibit variable oxidation states.

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  11. Express 1036 in roman numbers.

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

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  13. Complete the following chemical equation : MnO2+ KOH + O2 rarr

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  14. Does actinoids show actinoid contraction similar to lanthanoid contrac...

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  15. Transition metals form mostly coloured compounds.Explain.

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  16. Complete the following chemical equation : MnO4^(-)+ NO2^(-)+ H^(+) ra...

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

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  18. Explain how the colour of a solution of K2Cr2O7 depends on the pH of t...

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  19. Explain, giving reasons, which one of the following pairs exhibits the...

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  20. Explain, giving reasons, which one of the following pairs exhibits the...

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