The type of bond that involves the sharing of the electron is called a covalent bond. Carbon shares two pairs of electrons in an ethylene molecule to form a double bond.
A covalent bond is a sharing of electrons between the atoms of the molecules. The covalent bond is present between the carbon-carbon and carbon-hydrogen of the ethylene (C₂H₄) molecule. The presence of four shared electrons results in a double covalent bond.
The carbon-carbon of the molecule shares two pairs or four electrons in between them. This results in the formation of the double covalent bond. Carbon has a total of six electrons of which two are shared by the hydrogen and remaining four are shared with another carbon atom.
Therefore, a carbon atom shares two pairs or four electrons in an ethylene molecule.
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