In which of the following processes, the bond order increases and paramagnetic character changes to diamagnetic one?
$O _2 \rightarrow O _2^{2-}$
$NO \rightarrow NO ^{+}$
$N _2 \rightarrow N _2^{+}$
$O _2 \rightarrow O _2^{+}$
Which one of the following molecules is paramagnetic
Number of molecules/species from the following having one unparred electron $15$. . . . . . $\mathrm{O}_2, \mathrm{O}_2^{-1}, \mathrm{NO}, \mathrm{CN}^{-1}, \mathrm{O}_2^{2-}$
The pair of species that has the same bond order in the following is
What is chemical bonding ? How it is formed and give its types.
In the following the correct bond order sequence is :