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A reduction in atomic size with increase...

A reduction in atomic size with increase in atomic number is a characterstic of elements of

A

d- block

B

f- block

C

radioactive series

D

high atomic masses

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SHARAM PUBLICATION-D AND F BLOCK ELEMENTS-EXERCISE
  1. The main reason for the large number of oxidation states exhibited by ...

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  2. Among the following out electronic configuration of atoms the highest ...

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  3. A reduction in atomic size with increase in atomic number is a charact...

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  4. The magnetic character of transition elements of its ion is due to

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  5. Which of the following transition metals show the maximum oxidation st...

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  6. Among the following series of transition metal ions the one where all ...

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  7. Which of the following d- block elements has half filled penultimate d...

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  8. The catalyst used for olefin polymerisation is

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  9. The malleability and ductility of metals can be accounted due to

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  10. Write down the electronic configuration of gadolinium (Gd). Its atom...

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  11. Which of the following ions is most stable in aqueous solution ?

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  12. For the four successive transition elements (Cr, Mn, Fe and Co), the s...

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  13. Write the electronic configuration Nickel.

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  14. Why are most of the transition metal compounds are paramagnetic ?

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  15. Which of the d - block elements are not regarded as transition element...

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  16. Why Fe^3+ is more stable than Fe^2+ ?

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  17. Why are scandium salts colourless ?

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  18. Out of the following which one has more number of unpaired electrons ?...

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  19. Why enthalpy of atomisation Zn is the lowest in the first transition s...

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  20. Between Sc^(3+) and Cr^(3+) ion which will give colourless compound.

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