The shape of $SO_4^{2-}$ ion is

Identify the wrongly matched pair.
Molecule $\quad$ $\quad$ Shape or geometry of molecule

The largest bond angle is in

Given below are two statements.
Statement $I$ : Stannane $(SnH_4)$ is an example of a molecular hydride.
Statement $II$ : Stannane is a planar molecule.
In the light of the above statements,choose the most appropriate answer from the options given below.

Which one of the following compounds has a bond angle of nearly $90^{\circ}$?

Which of the following has the smallest bond angle?