Question

Diamond is an example of

• A. covalent solid
• B. electrovalent solid
• C. solid with hydrogen bonding
• D. glass

Answer 1

Answer: (A)

Diamond is an example of covalent solid. In the diamond crystal each carbon atom is bonded covalently to each of the four other carbon atoms situated around it tetrahedrally. Carbon-carbon bond distance are $154pm$.
Diamond is a big three diamensional polymer of carbon in which each carbon atom is $s{p}^3$ hybridised.