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Most of the transition metals do not dis...

Most of the transition metals do not displace hydrogen from dilute acids. Why?

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ICSE-d- AND- f- BLOCK ELEMENTS-EXERCISE (PART-II) (DESCRIPTIVE QUESTIONS)(LONG ANSWER QUESTIONS)
  1. The electron configuration of lanthanoid elements is not known with ce...

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  2. Why do transition elements shows variable oxidation states?

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

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

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

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

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

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

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

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

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

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

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

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

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

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  16. Complete the reactions : (i) Na2Cr2O7 + KCl rarr (ii) 2MnO(2) + 4...

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  17. Giving reasons indicate which one of the following would be coloured ?...

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  18. Account for the following statements : (i) Co (ii) is stable in aque...

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  19. Decide giving reason which one of the following pairs has the propert...

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

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