Which one of the following possess highest m.pt.?

Question

Which one of the following possess highest m.pt.? (A) Chlorobenzene (B) o-dichlorobenzene (C) w-dichlorobenzene (D) p-dichlorobenzene

Tardigrade Admin · Accepted Answer

p-dichlorobenzene molecule has symmetrical structure. It can fit well in its crystal lattice. The intermolecular forces of attraction are strong. Hence, it possesses highest melting point.

Q. Which one of the following possess highest m.pt.?

Chlorobenzene

o-dichlorobenzene

w-dichlorobenzene

p-dichlorobenzene

p-dichlorobenzene molecule has symmetrical structure. It can fit well in its crystal lattice. The intermolecular forces of attraction are strong. Hence, it possesses highest melting point.