(i) (d);

the HF compound has hydrogen bonding due to a difference in the electronegativity of hydrogen and fluorine.

(ii) (e);

Ozone molecules have resonating structures.

(iii) (b);

LiF is an ionic compound Li donates one electron and fluorine accepts one to complete its octet.

(iv) (a);

Carbon is a covalent solid due to its sharing of electron and catenation property it forms agiant molecule with 3-d network.