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How many lone pairs of electrons does the nitrogen atom of amines have?

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in Chemistry – Class 12 by (188k points)
How many lone pairs of electrons does the nitrogen atom of amines have?

(a) 0

(b) 1

(c) 2

(d) 3

I had been asked this question in a job interview.

This key question is from Structure of Amines in portion Amines of Chemistry – Class 12

1 Answer

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Best answer
Correct choice is (b) 1

The explanation: The nitrogen of NH3 forms sp^3 hybridised orbitals and also a valency of three (as it is attached to three hydrogen atoms). This results is one the orbitals having a lone pair of electrons, resulting in one unshared electron pair on nitrogen.

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