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Grade: 12th pass

                        

What do you understand by bond pairs and lone pairs of electrons? Illustrate by giving one example of each type.

one month ago

Answers : (2)

Vikas TU
12278 Points
							
Dear student 
Bond Pairs—The electons which are present be-tween the two atoms and are shared by them are called bonded pair of electrons.
Lone Pairs—The unshared pair of electrons which are present on the atom.
For example, in methane, there are four C-H covalent bonds.
Thus, in methane molecule, four bond pairs of electrons are present.
The electron pairs left in the valence shell without forming the bond are known as lone pairs of electrons.
For example, ammonia molecule has one lone pair of electrons and water molecule has two lone pairs of electrons.
one month ago
Vikas Amritiya
askIITians Faculty
158 Points
							

Two atoms share one electron each to form a covalent bond.
The electrons present in the covalent bond are known as bond pair of electrons.
For example, in methane, there are four C-H covalent bonds.
Thus, in methane molecule, four bond pairs of electrons are present.
The electron pairs left in the valence shell without forming the bond are known as lone pairs of electrons.
For example, ammonia molecule has one lone pair of electrons and water molecule has two lone pairs of electrons

one month ago
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