According to $MO$ theory, number of species/ions from the following having identical bond order is $.........$
$CN ^{-}, NO ^{+}, O _{2}, O _{2}^{+}, O _{2}^{2+}$
$2$
$3$
$4$
$5$
Out of the following which has smallest bond length
"Isoelectronic molecules and ions have identical bond orders." Explain by examples.
Which of the following order of bond strength is correct ?
Which of the following has the minimum bond length ?
The bond order of a molecule is given by