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The first, second and third ionization e...

The first, second and third ionization energies `(E_(1),E_(2)&E_(3))` for an element are 7eV, 12.5 eV and 42.5 eV respectively. The most stable oxidation state of the element will be:

A

`+1`

B

`+4`

C

`+3`

D

`+2`

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The correct Answer is:
D
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