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Zinc does not show variable valency Beca...

Zinc does not show variable valency Because of:

A

Complete 'd' sub-shell

B

inert pair effect

C

`4s^(2)` sub-shell

D

none

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To solve the question "Zinc does not show variable valency because of:", we need to analyze the electronic configuration of zinc and understand the reasons behind its oxidation states. ### Step-by-Step Solution: 1. **Identify the Atomic Number of Zinc**: - Zinc has an atomic number of 30. 2. **Write the Electronic Configuration**: ...
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RESONANCE ENGLISH-D BLOCK ELEMENTS-EXERCISE-3 PART-III
  1. Zinc does not show variable valency Because of:

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

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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 atomi...

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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. Explain 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 configurations of ...

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  10. Why do transition elements shows variable oxidation states?

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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 chromium (Z=24), manganes...

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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 possible oxidation states of an element having atomic number...

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

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  17. How is the variability in oxidation states of 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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