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

Observe the following statements:
$i$. According to $\text{VSEPR}$ theory,$ClF_3$ and $SO_2$ are shown as $AB_3E_2$ and $AB_2E$ type molecules respectively.
$ii$. $SF_4$ has a "See-saw" shape.
$iii$. $HgCl_2$ and $PbCl_2$ have the same shape.
The statements which are not correct are:

Trisilyamine $(SiH_3)_3N$ is

Identify a molecule having a bent shape from the following.

The bond angle in $PH_3$ is closest to which of the following $^o$?

How many bonding and lone pairs of electrons are present in the structure of ammonia $(NH_3)$?