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Why do the transition element have highe...

Why do the transition element have higher boiling & melting points?

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Because of having larger number of unpaired electrons in their atoms. They have stronger interatomic interaction and hence stronger bonding between atoms. Hence strong metallic bond between the atoms of these elements attribute to their high melting and boiling points
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RESONANCE-D BLOCK ELEMENTS-EXERCISE-3 PART-III
  1. Why do the transition element have higher boiling & melting points?

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  2. (a) of the ions A^(+),CO^(2+) and Ti^(+), which one will be coloured i...

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  3. Name one ore each of manganese and chromium.

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  4. In the transition series with an increase in atomic number, the atomic...

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  5. Why Zr and Hf or Nb and Ta exhibit similar properties? Or Zirconium ...

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  6. Why among the lanthanides Ce,(III), can be easily oxidised to Ce(IV) (...

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  7. Wxplain why E^(@) for Mn^(3+)//Mn^(2+) couple is more positive than th...

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  8. What is the effect of increasing pH on K2Cr2O7 solution?

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  9. What is the basic difference between the electronic configuration of t...

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  10. Why do transition elements show variable oxidation state?

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  11. Give reasons for each of the following: (i) Size of trivalent lantha...

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  12. The E^(@) value in respect of the electrodes (Z=24), manganese (Z=25) ...

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  13. The outer electronic configuration of two members of the lanthanoid se...

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  14. Assign reason for each of the following statement: (i) The largest n...

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  15. Write all posible oxidation state of an element having atomic number 2...

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  16. Why is +2 oxidation state of mmanganese quite stable while the same is...

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  17. How is the variability in oxidation states fo transition metals differ...

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  18. Write the electronic configuration of the element with atomic number 1...

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  19. (a) Describe the general trends in the following properties of the fir...

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  20. How would you account for the fact that the transition metals and thei...

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  21. Assign reasons for the following : (i) The enthalpies of atomisatio...

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