Which of the following hybrid atomic orbitals would you consider most useful for approximating a molecular orbital scheme around the n in nh3?
select one:
a. sp2
b. 2s and 2p
c. sp3
d. sp

c. sp³

Explanation:

:NH₃ has 4 areas around the molecule where electrons are found: 3 bonds and 1 lone pair. In order to minimize electron repulsion, NH₃ will form 4 equal hybridized orbitals that orient themselves in a tetrahedral geometry. There are 1 s valence atomic orbital and 3 p valence atomic orbitals available, so they will all combine to form 4 sp³ orbitals.