Organic Compounds Containing Halogens Question 201
Question: Which one of the following possess highest m.pt.
[Pb. CET 2004]
Options:
A) Chlorobenzene
B) o-dichlorobenzene
C) m-dichlorobenzene
D) p-dichlorobenzene
Show Answer
Answer:
Correct Answer: D
Solution:
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.