Identify a molecule which does not exist.
Identify a molecule which does not exist.
- [NEET 2020]
- A
$O _{2}$
- B
$He _{2}$
- C
$Li _{2}$
- D
$C _{2}$
Similar Questions
Among the following species, the diamagnetic molecule is
Among the following species, the diamagnetic molecule is
- [JEE MAIN 2019]
In which of the following transformations, the bond order has increased and the magnetic behaviour has changed
In which of the following transformations, the bond order has increased and the magnetic behaviour has changed
The hybridizations of atomic orbitals of nitrogen in $NO_2^+, NO_3^-$ and $NH_4^+$ respectively are
The hybridizations of atomic orbitals of nitrogen in $NO_2^+, NO_3^-$ and $NH_4^+$ respectively are
Among $\mathrm{H}_2, \mathrm{He}_2^{+}, \mathrm{Li}_2, \mathrm{Be}_2, \mathrm{~B}_2, \mathrm{C}_2, \mathrm{~N}_2, \mathrm{O}_2^{-}$, and $\mathrm{F}_2$, the number of diamagnetic species is (Atomic numbers: $\mathrm{H}=1, \mathrm{He}=2, \mathrm{Li}=3, \mathrm{Be}=4, \mathrm{~B}=5, \mathrm{C}=6, \mathrm{~N}=7, \mathrm{O}=8, \mathrm{~F}=9$ )
Among $\mathrm{H}_2, \mathrm{He}_2^{+}, \mathrm{Li}_2, \mathrm{Be}_2, \mathrm{~B}_2, \mathrm{C}_2, \mathrm{~N}_2, \mathrm{O}_2^{-}$, and $\mathrm{F}_2$, the number of diamagnetic species is (Atomic numbers: $\mathrm{H}=1, \mathrm{He}=2, \mathrm{Li}=3, \mathrm{Be}=4, \mathrm{~B}=5, \mathrm{C}=6, \mathrm{~N}=7, \mathrm{O}=8, \mathrm{~F}=9$ )
- [IIT 2017]
Bond order of $1.5$ is shown by-
Bond order of $1.5$ is shown by-
- [AIPMT 2012]