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CBSE Class 10 Answered

Structure of diamond and graphite using vsepr theory

Asked by tialempongen177 | 09 Sep, 2020, 11:44: PM
Expert Answer
Diamond
 Diamond has a network structure consisting of a very large number of carbon atoms bonded to each other.
 Each carbon atom is sp³ hybridised and is bonded to four other carbon atoms by single covalent bonds.
 There is a three-dimensional network of strong covalent bonds in diamond which is very difficult to break.
 
 
Graphite
 In graphite, each carbon atom undergoes sp² hybridisation and is covalently bonded to three other carbon atoms by single bonds.
 The fourth electron on each carbon atom forms  bonds.
 In this way, graphite consists of hexagonal rings in two dimensions.
 The C–C covalent distance in rings is 141.5 pm, indicating strong bonding.
 These arrays of rings form layers. The layers are separated by a distance of 340 pm.
Answered by Ramandeep | 10 Sep, 2020, 01:26: PM
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