Concept explainers
(a)
Interpretation:
The following ball- and -stick model of 3-methyl-2-hexenoic acid should be converted into a Lewis structure.
Concept introduction:
- Lewis structures are the diagrams that show the bonding between the atoms of the molecules and existing lone pairs of electrons.
- Bonding electrons are those electrons which are shared between the atoms resulting in the formation of bond.
- Non-bonding electrons are the valence electrons of the atom which are not shared with another atom.
(b)
Interpretation:
The shape around each carbon atom should be determined.
Concept introduction:
The model which is used in chemistry to determine the geometry of individual molecules with the help of the number of electron pairs surrounded by central atoms is known as Valence shell electron pair repulsion (VSEPR) theory.
(c)
Interpretation:
The polar bonds present in 3-methyl-2-hexenoic acid should be labeled.
Concept introduction:
A polar bond is a covalent bond between two atoms where the electrons forming the bond are unequally distributed. This causes the molecule to have a slight electrical dipole moment where one end is slightly positive and the other is slightly negative.
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