Concept explainers
Interpretation: Different structures for formula C5H10with one ring should be determined.
Concept introduction: C5H10have two hydrogen atoms less than the molecular formula of C5H12, i.e. it contains either a double bond or a cyclic group. So in functional groups,
Answer to Problem 21P
- Cyclopentane
- Methylcyclobutane
- 1,1-dimethyl cyclopropane
- 1,2- dimethyl cyclopropane
- Ethylcyclopropane
Explanation of Solution
Considering the structural formula C5H10 with a ring, the maximum number of carbon in that ring can be equal to or less than 5.
So the structures will be:
Cyclopentane
Other structures are:
Cyclobutane with one methyl substituent which is named as Methylcyclobutane
(According to IUPAC)
Cyclopropane with 2 methyl functional group (1, 1-dimethyl cyclopropane )
Cyclopropane with 2 methyl functional group, where functional group is attached to the adjacent C atoms of the cyclic groups (1,2- dimethylcyclopropane)
cis-1,2-dimethyl cyclopropane trans-1,2-dimethyl cyclopropane
Cyclopropane is another structure with 1 ethyl (CH2CH3) functional group is named as Ethylcyclopropane
The five different structures can be written for the structural equation C5H10 and they are Cyclopentane, Methylcyclobutane, 1,1-dimethylcyclopropane, 1,2-dimethyl cyclopropane, ethylcyclopropane.
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Chapter 4 Solutions
Organic Chemistry: Structure and Function
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