The p-isomer of dichlorobenzene has higher melting point than O-and M-isomer. Why ?

why sodium chloride has high melting point?

Why does p-dichlorobenzene has a higher m.p. than its o- and p-isomers ?

Out of o-dichlorobenzene and p-dichloro-benzene, which has higher melting point and why ?

Alcohols have higher boiling point than alkanes.Why ?

Out of o-and p-dibromobenzene which one has higher melting point and why ?

Explain why p-dichlorobenzenes have higher melting points and lower solubilities than that of their o- and m-isomers?