Which of following species have maximum number of unpaired electrons

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4.Chemical Bonding and Molecular Structure

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Which of the following species have maximum number of unpaired electrons

A

${O_2}$

B

$O_2^ + $

C

$O_2^ - $

D

$O_2^{2 - }$

(AIIMS-1983)

Solution

(a) ${O_2}$ has $2$ unpaired electron while $O_2^ + $ and $O_2^ – $ has one each unpaired electrons

while $O_2^{2 + }$ does not have any unpaired electron.

Standard 11

Chemistry

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