a.
Interpretation: To give the correct name and draw the structural formula of the compound.
Concept Introduction: Structural formulas are used to give the structures for the compounds. It helps in telling the exact number of atoms that are present in a compound along with
a.
Answer to Problem 85A
The correct name for 4-methyl hexane is 3-methyl hexane.
Explanation of Solution
The given compound is 4-methyl hexane.
The correct name for this compound is 3-methyl hexane as per
Thus, the structural formula of 3-methyl hexane is as follows:
b.
Interpretation: To give the correct name and draw the structural formula of the compound.
Concept Introduction: Structural formulas are used to give the structures for the compounds. It helps in telling the exact number of atoms that are present in a compound along with functional groups if present.
b.
Answer to Problem 85A
The correct name for the compound is 1,3-diethyl cyclopentane.
Explanation of Solution
The given compound is 1,4-diethyl cyclopentane.
The correct name for this compound is 1,3-diethyl cyclopentane as per IUPAC nomenclature as the numbering should be done in order to take substituents into consideration.
Thus, the structural formula of 1,3-diethyl cyclopentane is as follows:
c.
Interpretation: To give the correct name and draw the structural formula of the compound.
Concept Introduction: Structural formulas are used to give the structures for the compounds. It helps in telling the exact number of atoms that are present in a compound along with functional groups if present.
c.
Answer to Problem 85A
The correct name for the compound is 3,3-dimethyl-4-ethyl octane.
Explanation of Solution
The given compound is 3,3methyl-4-ethyl octane.
The correct name for this compound is 3,3-dimethyl-4-ethyl octane as there are two methyl substituents on the third carbon atom thus “di” must be written in the IUPAC name.
Thus, the structural formula of 3,3-dimethyl-4-ethyl octane is represented as follows:
d.
Interpretation: To give the correct name and draw the structural formula of the compound.
Concept Introduction: Structural formulas are used to give the structures for the compounds. It helps in telling the exact number of atoms that are present in a compound along with functional groups if present.
d.
Answer to Problem 85A
The correct name for the compound is 2,2-dimethyl pentane.
Explanation of Solution
The given compound is 4,4-dimethyl pentane.
The correct name for this compound is 2,2-dimethyl pentane as per IUPAC nomenclature as the numbering should be done in order to take substituents into consideration.
Thus, the structural formula of 2,2-dimethyl pentane is as follows:
e.
Interpretation: To give the correct name and draw the structural formula of the compound.
Concept Introduction: Structural formulas are used to give the structures for the compounds. It helps in telling the exact number of atoms that are present in a compound along with functional groups if present.
e.
Answer to Problem 85A
The correct name for the compound is 3-methyl octane.
Explanation of Solution
The given compound is 2-ethyl heptane.
The correct name for this compound is 3-methyl octane as per IUPAC nomenclature as the numbering should be done by looking at the longest continuous carbon chain.
Thus, the structural formula of 3-methyl octane is as follows:
f.
Interpretation: To give the correct name and draw the structural formula of the compound.
Concept Introduction: Structural formulas are used to give the structures for the compounds. It helps in telling the exact number of atoms that are present in a compound along with functional groups if present.
f.
Answer to Problem 85A
The correct name for the given compound is methyl benzene.
Explanation of Solution
The given compound is phenyl methane.
The correct name for this compound is methyl benzene as per IUPAC nomenclature priority is given to the phenyl ring over the methyl group.
Thus, the structural formula of methyl benzene is as follows:
Chapter 22 Solutions
Chemistry 2012 Student Edition (hard Cover) Grade 11
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