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Which is the last element in the series ...

Which is the last element in the series of the actinoids? Write the electronic configuration of this element. Comment on the possible oxidation state of this element.

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ICSE-d- AND- f- BLOCK ELEMENTS-EXERCISE (PART-II) (DESCRIPTIVE QUESTIONS)(SHORT ANSWER QUESTIONS)
  1. Why the elements with at. no. 57 to 71 are called inner transition ele...

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  2. Comment upon the statement that: (i) The electronic configurations o...

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  3. Which is the last element in the series of the actinoids? Write the el...

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  4. In what way is the electronic configuration of the transition elements...

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  5. What are different oxidation states exhibit by lanthanoids?

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  6. Explain the following terms : (a) Chemistry of all Lanthanoids is so...

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  7. What is the electronic difference between lanthanoids and actinoids? W...

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  8. Name the elements with atomic number 58 and 59 and write their electro...

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  9. What are inner-transition elements? Write their general electronic con...

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  10. Define lanthanoids. Give three differences between lanthanoids and act...

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  11. What happens when : (i) Acidified K2Cr2O7 reacts with Kl. (ii) K2...

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  12. The sums of first and second ionisation energies and those of third an...

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  13. Of the ions Ag^(+),Co^(2+) and Ti^(4+) ,which ones will be coloured in...

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  14. Among ionic species, Sc^(3+), Ce^(4+) and Eu^(2+), which one is a goo...

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  15. of the ions Co^(2+), Sc^(3+) and Cr^(3+) which one will give coloured ...

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

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  17. (i) Give the formula which expresses the general electronic configurat...

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  18. [Ti(H2O)6]^(3+) is coloured while [Sc(H2O)6]^(3+) is colourless . Expl...

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  19. Represent the reaction of acidified K2Cr2O7 with: (i) KI solution (...

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  20. Assertion : KMNO4 acts as an oxidising agent in acidic, basic or neutr...

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