The bonds present in $N_2O_{5(s)}$ is/are:
$I$. Ionic
$II$. Covalent
$III$. Coordinate

Identify the correct statement$(s)$ from the following:
$a$) Dipole moment of $NH_3$ is more than $NF_3$
$b$) $SF_4$ is square planar
$c$) $SnCl_4$ is more covalent than $SnCl_2$
$d$) $In_2SO_4$ sulphur atom has expanded octet

Which of the following represents the correct order of boiling point?

Which of the following is not used as a Lewis acid?

The maximum number of atoms that can be in one plane in the molecule $p$-nitrobenzonitrile are

Consider the following species and select the incorrect statement $:-$ $NH_3, PCl_4^{\oplus}, NH_2^{-}, SO_2, SO_3, BF_3, PCl_3, IF_7$