Question
Isostructural species are those which have the same shape and hybridisation. Among the given species identify the isostructural pairs.
$\text{NH}_3,\ \text{BF}_3,\ \text{BF}^-_4,\ \text{NH}^+_4,\ \text{BCl}_3,\ \text{BrCl}_3,\ \text{NH}_3,\ \text{NO}^-_3$
$\text{NH}_3,\ \text{BF}_3,\ \text{BF}^-_4,\ \text{NH}^+_4,\ \text{BCl}_3,\ \text{BrCl}_3,\ \text{NH}_3,\ \text{NO}^-_3$