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4.Chemical Bonding and Molecular Structure
medium
Which of the following options represents the correct bond order?
A
$O_2^- > O_2 < O_2^+$
B
$O_2^- < O_2 > O_2^{+}$
C
$O_{2}^- > O_2 > O_{2}^+$
D
$O_{2}^- < O_2 < O_{2}^+$
(NEET-2015)
Solution
According to molecular orbital theory $(MOT)$
$\quad \quad \quad \quad \quad O_{2}^{-} \quad O_{2} \quad O_{2}^{+}$
No. of $e^{-} \quad 17 \quad\;\; 16 \quad \; 15$
Bond order $1.5 \quad \;\;2 \quad\;\; 2.5$
Standard 11
Chemistry
Similar Questions
medium
Match each of the diatomic molecules in Column $I$ with its property / properties in Column $II$.
| Column $I$ | Column $II$ |
| $(A)$ $\mathrm{B}_2$ | $(p)$ Paramagnetic |
| $(B)$ $\mathrm{N}_2$ | $(q)$ Undergoes oxidation |
| $(C)$ $\mathrm{O}_2^{-}$ | $(r)$ Undergoes reduction |
| $(D)$ $\mathrm{O}_2$ | $(s)$ Bond order $\geq 2$ |
| $(t)$ Mixing of ' $\mathrm{s}$ ' and ' $\mathrm{p}$ ' orbitals |
