
Interpretation:
The electronic configuration of the cyanide ion, and a stable molecule isoelectronic to the cyanide ion, are to be determined.
Concept introduction:
The electronic configuration of a molecule is the arrangement of electrons in the orbitals of a molecule.
Two atomic orbitals combine to form a bonding and an antibonding molecular orbital. Orbitals that lie on the internuclear axis combine to form sigma
molecular orbital, and orbitals parallel to each other combine to form
molecular orbitals.
The molecular orbital formed by the combination of the
orbital forms the corresponding molecular orbitals.
The molecular orbital formed by the combination of the
The molecular orbitals formed by combining the
and
Isoelectronic molecules contain an equal number of electrons.

Answer to Problem 99AP
Solution:
Explanation of Solution
The electronic configuration of a carbon atom is
In a
ion, one carbon and one nitrogen atom, and a negative charge, are present. Thus, there are 14 electrons, in total, to be accommodated in the molecular orbitals of
The electron configuration for
Compounds having same number of electrons are said to be isoelectronic. The
molecule is isoelectronic to the
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Chapter 9 Solutions
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