In which of the following pairs of molecules/ions, both the species are not likely to exist?
In which of the following pairs of molecules/ions, both the species are not likely to exist?
- [JEE MAIN 2013]
- A
$H_{2}^+, He_2^{2-}$
- B
$H_{2}^-, He_2^{2-}$
- C
$H_{2}^{+2}, He_2$
- D
$H_{2}^-, He_2^{2+}$
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The species having bond order different from that in $CO$ is
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The molecular orbital configuration of a diatomic molecule is
$\sigma \,\,1{s^2}\,\,{\sigma ^*}\,\,1{s^2}\,\sigma \,\,2{s^2}\,{\sigma ^*}\,2{s^2}\,\,\sigma \,2p_x^2\,\left\{ {{}_{\pi \,2p_z^2}^{\pi \,2p_y^2}} \right.$
Its bond order is
The molecular orbital configuration of a diatomic molecule is
$\sigma \,\,1{s^2}\,\,{\sigma ^*}\,\,1{s^2}\,\sigma \,\,2{s^2}\,{\sigma ^*}\,2{s^2}\,\,\sigma \,2p_x^2\,\left\{ {{}_{\pi \,2p_z^2}^{\pi \,2p_y^2}} \right.$
Its bond order is
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During change of $O_2$ to $O_2^-$ ion, the electron adds on which one of the following orbitals?
During change of $O_2$ to $O_2^-$ ion, the electron adds on which one of the following orbitals?
- [AIPMT 2012]
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