Which one of the following species does not exist under normal conditions ?
Which one of the following species does not exist under normal conditions ?
- [AIPMT 2010]
- A
$Be_{2}^+$
- B
$Be_2$
- C
$B_2$
- D
$Li_2$
Similar Questions
Which of the following statement is correct about $I^+_3$ and $I^-_3$ molecular ions ?
Which of the following statement is correct about $I^+_3$ and $I^-_3$ molecular ions ?
The paramagnetic molecule at ground state among the following is
The paramagnetic molecule at ground state among the following is
Which molecule has the highest bond order
Which molecule has the highest bond order
According to $MO$ theory, number of species/ions from the following having identical bond order is $.........$
$CN ^{-}, NO ^{+}, O _{2}, O _{2}^{+}, O _{2}^{2+}$
According to $MO$ theory, number of species/ions from the following having identical bond order is $.........$
$CN ^{-}, NO ^{+}, O _{2}, O _{2}^{+}, O _{2}^{2+}$
- [JEE MAIN 2022]
Which of the following species is paramagnetic?
Which of the following species is paramagnetic?