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Zinc does not show variable valency Beca...

Zinc does not show variable valency Because of:

A

completed subshell

B

incompleted subshell

C

`4s^2` sub shell

D

they belong to 4th period

Text Solution

Verified by Experts

The correct Answer is:
A
Zn(30) configuration is [Ar ] `4s^2 3d^10` . It gives oxidation of +2 only . `Zn^(2+) to [Ar] 4s^2 3d^0`
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MARVEL PUBLICATION-D AND F BLOCK ELEMENTS -TEST YOUR GRASP
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  11. Which of the following would be diamagnetic?

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  12. The element present immediately below Zn in the periodic table in the ...

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  13. Oxidation state of +1 is possible with

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  14. For Sc (2 1), if both 3d and 4s electrons in involved in bonding, the ...

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  17. In transition elements, the differentiating electron enters into subs...

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