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What are inner transition elements? Deci...

What are inner transition elements? Decide which of the following atomic numbers are the atomic numbers of the inner transition elements : 29, 59, 74, 95, 102, 104.

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ICSE-d- AND- f- BLOCK ELEMENTS-EXERCISE (PART-II) (DESCRIPTIVE QUESTIONS)(LONG ANSWER QUESTIONS)
  1. Represent by ionic equation, the oxidsing action of MnO4^- both in aci...

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

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

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

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

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

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

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

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

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  10. Why lanthanoids and actinoids are called f-block elements?

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  11. Assign reasons for the following: (a) Ce^(3+) can easily be oxidise...

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  12. Assign reasons for the following: (a) Zn^(2+) salts are white while ...

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  13. Assign reasons for the following : (a) Co^(2+) has higher magnetic ...

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  14. Assign reasons for the following : (b) The ionization energy of 5d e...

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  15. Assign reasons for the following : Write equations for the preparati...

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  16. Assign reasons for the following: Sc^(3+) ion is colourless while Cr...

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  17. Why are Mn^(2+) compounds more stable than Fe^(2+) towards oxidation t...

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  18. Assign reasons for the following: Cu(I) compounds are white and diam...

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  19. Assign reasons for the following: Why is the chemistry of all lantha...

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  20. Assign reasons for the following: What is lanthanoid contraction ? E...

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