find odd one out : coal,graphite,diamond,gold
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Explanation:
Each One Of Them Is An Allotropes Of Carbon Except Gold
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The odd one is found out - gold.
The remaining three are allotropes of carbon.
Coal
- It is an amorphous allotrope of carbon and it has a two-dimensional structure.
- Each carbon atom is bonded to the other three carbon atoms by a covalent bond.
- Thus, a hexagonal ring-like planar structure can be observed in the structure of coal.
Graphite
- It is also an allotrope of carbon in which one carbon atom is joined to three other carbon atoms.
- A hexagonal planar structure can be observed in graphite.
- One non-bonded electron is also present per carbon atom in the structure of graphite.
Diamond
- Diamond is the hardest allotrope of carbon in which one atom of carbon is joined to four other carbon atoms with the help of strong covalent bonds.
- A regular tetrahedral network structure can be observed in diamond. structure.
Gold
It is an element with symbol Au.
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