Of the species, $NO , NO ^{+}, NO ^{2+}, NO ^{-},$ the one with minimum bond strength is :
$NO ^{2+}$
$NO ^{+}$
$NO$
$NO ^{-}$
$\sigma _{2s}^*$ orbital is similar to ....... orbital
Which of the following facts given is not correct ?
$(I)$ Bond length order : $H^-_2 = H^+_2 > H_2$
$(II)\, O^+_2 ,NO,N^-_2$ have same bond order of $2 \frac{1}{2}$
$(III)$ Bond order can assume any value including zero upto four
$(IV)\, NO^-_3$ and $BO^-_3$ have same bond order for $X - O$ bond (where $X$ is central atom)
Bond energies in $NO,\,N{O^ + }$ and $N{O^ - }$ are such as
The bond order is maximum in
A molecule which contains unpaired electrons is