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Explain why Zn shown only +2 oxidation s...

Explain why Zn shown only `+2` oxidation state.

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E.C. of Zn `Zn = [Ar]^(18) 3d^(10) 4s^(2)` . After loss of `2e^(-)` of form `Zn^(2+)` , it acquires stable electronic configuration of `3d^(10)` ( fully -filled). Hence, it shows oxidation state of `+2` only.
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PRADEEP-D- AND F-BLOCK ELEMENTS-CONCEPTUAL QUESTIONS
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  2. Assign reasons for each of the following : (i) Manganese exhibits th...

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  3. Explain why Zn shown only +2 oxidation state.

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  4. Why is first ionization enthalpy of Cu higher than that of Na ?

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  5. Give reason for the following : (i) Mn shows the highest oxidation s...

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  6. (a) Following are the transition metal ions of 3d series: Ti^(4+),V^...

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  7. Write the formula of different oxides of manganese. What is the oxidat...

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  8. What is the effect of increasing pH on the colour of K(2)Cr(2)O(7) sol...

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  11. Why is it not advisable to dissolve KMnO(4) in conc. H(2)SO(4) ?

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  12. Why in permanganate ion, there is a covalency between Mn and oxygen ?

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  14. Briefly explain why electronic configuration of lanthanoids are not kn...

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  15. The +3 oxidation states of langthanum ( Z= 57), gadolinium (Z= 64) and...

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  18. Why Sm^(2+), Eu^(2+) and Yb^(2+) ions in solutions are good reducing a...

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  19. One among the langthanides ,Ce(III), can be easily oxidized to Ce(IV)(...

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  20. Which out of the two, La(OH)(3) and Lu(OH)(3) is more basic and why ?

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