Question

The number of bonding pairs and lone pairs of electrons present in the central atom of ammonia molecular are respectively.

Options

• 2 and 2

• 3 and 1

• 4 and 0

• 1 and 3

Answer 1

3 and 1

Explanation:

In ammonia there are three bond pairs between nitrogen and hydrogen and one lone pair of electron present on  nitrogen. The structure of ammonia.

\[\begin{array}{cc}
\phantom{.}\ce{\overset{\bullet\bullet}{N}}\\
/\phantom{..}\phantom{..}|\phantom{...}\backslash\\
\ce{H}\phantom{...}\ce{H}\phantom{...}\ce{H}
\end{array}\]