List of top Chemistry Questions on Hybridisation asked in WBJEE

Hybridisation of the negative carbons in (1) and (2) are:
Hybridisation of the negative carbons
The state of hybridization of the central atom and the number of lone pairs over the central atom in $POCl_{3}$ are
The $sp^3d^2$ hybridization of central atom of a molecule would lead to
Which one of the following compounds has $ s{{p}^{2}} $- hybridisation?