Which of the following explains the VSEPR geometry of an ammonia molecule?
It is tetrahedral because there are four bonded pairs around nitrogen.
It is trigonal pyramidal because there are four bonded pairs around nitrogen.
It is tetrahedral because there are three bonded pairs and one lone pair around nitrogen.
It is trigonal pyramidal because there are three bonded pairs and one lone pair around nitrogen.

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Answer:

The answer to your question is: the lasr one.

Explanation:

Ammonia = NH₃

It is tetrahedral because there are four bonded pairs around nitrogen.  This option is wrong, ammonia, does not have four bonds only has 3.

It is trigonal pyramidal because there are four bonded pairs around nitrogen.  This option is wrong because ammonia does not have 4 bonds.

It is tetrahedral because there are three bonded pairs and one lone pair around nitrogen.  A tetrahedral has 4 bonds not only three, this option is wrong.

It is trigonal pyramidal because there are three bonded pairs and one lone pair around nitrogen. This option is right, it has three bonded pairs and one lone pair around nitrogen so it is a trigonal pyramidal.

The statement that explains the VSEPR geometry of an ammonia molecule is ; ( D ) It is trigonal pyramidal because there are three bonded pairs and one lone pair around nitrogen.

    Ammonia ( NH₃ ) has a characteristic strong offensive smell and absence of water in its formation. It is very harmful when exposed to the environment. Ammonia has 3 bonded pairs and a single unpaired electron around nitrogen atom.

The Lewis structure of ammonia depicts a trigonal pyramidal structure because of the bonding of 3 hydrogen atoms to the Nitrogen atom and a lone pair

Hence we can conclude that  VSEPR geometry of an ammonia molecule is that it is trigonal pyramidal because there are three bonded pairs and one lone pair around nitrogen.

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