Atomic Structure · JEE Advanced previous year questions

2025 1 question

1. Q372025 · 18 May 2025 · Paper 1· One or more correct

   Regarding the molecular orbital (MO) energy levels for homonuclear diatomic molecules, the $\text{INCORRECT}$ statement(s) is(are)

   1. A.Bond order of $\mathrm{N}{\mathrm{e}}_2$ is zero.
   2. B.The highest occupied molecular orbital (HOMO) of ${\mathrm{F}}_2$ is $\sigma$-type.
   3. C.Bond energy of ${\mathrm{O}}_2^{+}$ is smaller than the bond energy of ${\mathrm{O}}_2$.
   4. D.Bond length of $\mathrm{L}{\mathrm{i}}_2$ is larger than the bond length of ${\mathrm{B}}_2$.
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   Answer: B, C