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How will each of the following respond t...

How will each of the following respond to magnetic field and why ? `Co^(2+)`, `Sc^(3+)`, `Cr^(3+) (At. No. Co=27, Sc=21, Cr=24)`

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`Co^(2+)` and `Cr^(2+)` are Paramagnetic `Sc^(3+)` is diamagnetic.
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ACCURATE PUBLICATION-D & F BLOCK ELEMENTS -1 OR 2 MARK QUESTIONS
  1. How many are the number of unpaired electron in ferrous ion ?

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  2. What is the cause of Paramagnetism of compounds of transition elements...

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  3. Name two alloys of copper?

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  4. Why does Vanadium Pentaoxide act as a catalyst?

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  5. Name the catalyst of Vanadium used for oxidation of SO2 to SO3 in cont...

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  6. Why Cr is used for electroplating iron ?

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  7. Draw the structure of chromate ion.

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  8. Write the general electronic configuration of lanthanoids.

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  9. Do lanthanoid and actinoids belong to d-or f-block elements ?

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  10. Write the general electronic configuration of f-block elements.

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  11. What is the general electronic configuration of actinoids?

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  12. Fill in the blanks with suitable words : In water , the proportion of ...

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  13. What is the maximum oxidation state shown by actinoids?

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  14. Why Zr and Hf show similar chemical properties ?

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  15. How will each of the following respond to magnetic field and why ? Co^...

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  16. Out of Co^(2+), Zn^(2+) and Cu^+(2+) which will give aqueous coloured ...

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  17. Name a transition element which does not exhibit variable oxidation st...

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  18. Write the formula of mangnate ion and dichromate ion.

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  19. What is Misch metal ?

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  20. Fill in the blanks with suitable words : In a chemical reaction , the ...

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