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What are inner-transition elements ? Giv...

What are inner-transition elements ? Give three properties in which actinoids resemble lanthanoids and the three properties in which the two differ from each other.

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ICSE-d- AND- f- BLOCK ELEMENTS-EXERCISE (PART-II) (DESCRIPTIVE QUESTIONS)(LONG ANSWER QUESTIONS)
  1. Give the preparation and properties (acidic, basic, neutral medium) of...

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  2. Give the preparation of K2Cr2O7, from chromite ore. Give its any five ...

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  3. What are inner-transition elements ? Give three properties in which ac...

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  4. What is lanthanoid contraction? What are the consequences of lanthanoi...

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  5. Potassium dichromate is prepared from

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  6. The electron configuration of lanthanoid elements is not known with ce...

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  7. Why do transition elements shows variable oxidation states?

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  8. Most of the transition metals do not displace hydrogen from dilute aci...

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  9. Discuss the difference in the magnetic properties of d and f block ele...

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  10. What is lanthanoid contraction? What are the consequences of lanthanoi...

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  11. Give plausible reason for the fact that the tran-sition metals have hi...

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  12. What is the oxidation state of Ni "in" (Ni(CO))4 ?

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  13. A transition element forms alloys with other transition metals easily....

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  14. What are interstitial compounds? Why are such compounds well known for...

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  15. How is potassium dichromate prepared from a sample of chromite ore ? G...

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  16. In the transition element series starting from lanthanun (""(57)La), t...

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  17. Represent by ionic equation, the oxidsing action of MnO4^- both in aci...

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  18. Decide giving reasons which one of the following exhibits the property...

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  19. What are inner transition elements? Decide which of the following atom...

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  20. What is the difference between the electronic configurations of transi...

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