Consider the following statements related the diamond and graphite.
I) Both diamond and graphite are used as abrasives.
II) Diamond and graphite have different arrangement of carbon atoms.
III) The carbon atoms in both graphite and diamond have four single covalent bonds.
IV) The carbon atoms in both graphite and diamond have three single covalent bonds.
The incorrect statement(s) is/are

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I and III

I, III and IV

II and IV

All of these

answer is C.

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Detailed Solution

I) Both diamond and graphite are used as abrasives

II) Diamond and graphite have different arrangement of Carbon atoms

III) The carbon atoms in both graphite and diamond have four single covalent bonds.

IV) The carbon atoms in both graphite and diamond have three single covalent bonds.

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