Select the electron-domain geometry for a molecule with three bonding domains and one nonbonding domain. A) Linear
B) Trigonal planar electron-domain geometry
C) Tetrahedral
D) Trigonal bipyramidal
E) Octahedral

The electron-domain geometry for a molecule with three bonding domains and one nonbonding domain is D. Trigonal pyramidal.

When all the electron domains are bonding, it's tetrahedral. If one of the domains is non-binding pair, it's trigonal pyramidal.

In a situation where there are two non-binding pairs, it's bent. Therefore, electron-domain geometry for a molecule with three bonding domains and one nonbonding domain is trigonal pyramidal.

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C) Tetrahedral

Explanation:

The number of electron pairs is 4 that means the hybridization will be but as there are three bonding domains and one nonbonding domain, thus electronic geometry is tetrahedral and the molecular geometry will be trigonal pyramidal.

Linear electron geometry is possible when number of electron pairs is 2 and the hybridization will be .

Trigonal planar geometry is possible when number of electron pairs is 3 and the hybridization will be .

Trigonal bipyramidal geometry is possible when number of electron pairs is 5 and the hybridization will be .

Octahedral geometry is possible when number of electron pairs is 6 and the hybridization will be .

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