Semiconductor Electronics Materials Devices And Simple Circuits Ques 61
Diamond is very hard because of its strong covalent bonding between carbon atoms in a tetrahedral crystal lattice.
[1993]
(a) it is a covalent solid
(b) it has large cohesive energy
(c) high melting point
(d) insoluble in all common solvents
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Answer:
Correct Answer: 61.(b)
Solution:
- (b) Diamond is very hard due to large cohesive energy.
BETA
