The pairs of species of oxygen and their magnetic behaviour are noted below. Which of the following presents the correct description ?
$O_2^-, O_2^{2-}$ - Both diamagnetic
$O^+, O_2^{2-}$ - Both paramagnetic
$O_2^+ , O_2$ - Both paramagnetic
$O, O_2^{2-}$ - Both paramagnetic
The pair of species that has the same bond order in the following is
The maximum number of hydrogen bonds formed by a water molecule in ice is
Of the species, $NO , NO ^{+}, NO ^{2+}, NO ^{-},$ the one with minimum bond strength is :
In which of the following pairs the two molecules have identical bond order
The total number of molecular orbitals formed from $2 \mathrm{~s}$ and $2 \mathrm{p}$ atomic orbitals of a diatomic molecule