Question:

Nitrogen atom of amino group is _______hybridised.

Updated On: Jan 17, 2024

$sp$
$sp^2$
$sp^3$
$sp^3\,d$

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The Correct Option is C

Solution and Explanation

The nitrogen atom of the amino group is usually $s p^{3}$ hybridised. As the atomic number of nitrogen is 7 , the valence shell has 5 electrons i.e $2 s^{2} 2 p^{3}(1 s$ and $3 p$ orbitals are participating in hybridization). one pair of electron acts as a lone pair and the remaining three electrons forms bonds with either hydrogens or alkyl or aryl groups. Nitrogen also shows $sp^{2}$ hybridization, where there are only 2 bonds are formed, one among them forming a partial double bond or a double bond.

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Amine - Types

Primary Amines:

It is formed when one hydrogen atom in ammonia is substituted by an alkyl or aromatic group. Amino acids and methyl amine are the best examples that why aromatic amines include aniline.

Secondary Amines:

Amines that have two organic substitutes either alkyl or aryl ones or both and are bound to the nitrogen together with one hydrogen are termed as secondary amines. For Example, Dimethylamine.

Tertiary Amines:

Tertiary Amines are the amines where the nitrogen consists of three organic substitutes. For example, Trimethylamine and EDTA.