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

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

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The shared pairs of electrons present between the bonded atoms are called bond pairs.

And all valence electrons may not participate in bonding that electron pairs that do not participate in bonding are called lone pairs of electrons.

For examples,

In C_{2}H_{6} ethane, there are seven bond pairs but no lone pair is present.

In H_{2}O, there are two bond pairs and two lone pairs on the central atom (oxygen).

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Divya Prakash Singh

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