2022 The p-Block Elements (Group 13 and 14)Allotropes of Carbon Easy Question 2 of 2 in Allotropes of Carbon

Choose the correct statement.

A Both diamond and graphite are used as dry lubricants.
B Diamond and graphite have two dimensional network
C Diamond is covalent and graphite is ionic
D Diamond is $sp^3$ hybridised and graphite is $sp^2$ hybridized.

The answer is D.

Solution

In diamond, each carbon is bonded to four other carbon atoms, so it is $sp^3$ hybridised. In graphite, each carbon is bonded to three other carbon atoms, so it is $sp^2$ hybridised.

Concept hybridisation in diamond and graphite

Allotropes of Carbon in past papers

2 questions from this chapter have appeared across 2 exam years.