JEE PYQ: Surface Chemistry Question 5
Question 5 - 2021 (18 Mar Shift 2)
Type: MCQ
A hard substance melts at high temperature and is an insulator in both solid and in molten state. This solid is most likely to be a/an:
(a) Ionic solid
(b) Molecular solid
(c) Metallic solid
(d) Covalent solid
Show Answer
Answer: (c)
Solution
Covalent or network solids have very high melting point and they are insulators in their solid and molten form.