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4.Chemical Bonding and Molecular Structure
medium
Which of the following has the minimum bond length ?
A
$O_2^+$
B
$O_2^-$
C
$O_2^{2-}$
D
$O_2$
(AIPMT-2011)
Solution
Bond order of $O_{2}^{+}=\frac{10-5}{2}=2.5$
Bond order of $O_{2}=\frac{10-7}{2}=1.5$
Bond order of $O_{2}^{2-}=\frac{10-8}{2}=1$
Bond order of $O_{2}=\frac{10-6}{2}=2$
Maximum bond order $=$ minimum bond length.
Bond length is minimum for $O_{2}^{+}$
Standard 11
Chemistry
