(a)
Interpretation:
The compound 1-pentene exhibit geometric isomerism or not has to be given and two isomers has to be drawn and named for the given structure.
Concept Introduction:
The structure of the compound is given by its systematic name.
To give the structure from the name of the compound, the root name has to be identified. The root name indicates the number of carbon atoms present in the longest chain.
Then the functional group (suffix) has to be identified. It indicates whether any
The prefix of the name indicates the branched groups and their positions on the carbon chain.
The name of the compound is in the form
Prefix + Root + Suffix
The geometric isomers are said to be the isomers which shows different orientation of groups around a double bond. The geometric isomers are also known as cis-trans isomers.
When two similar or higher priority groups are attached to the carbon on same side, it is said to be cis-isomer.
When two similar or higher priority groups are attached to the carbon on opposite sides, it is said to be trans-isomer.
To exhibit the geometric isomerism, a molecule should have double bonded carbon atoms (
(b)
Interpretation:
The compound 2-pentene exhibit geometric isomerism or not has to be given and two isomers has to be drawn and named for the given structure.
Concept Introduction:
The structure of the compound is given by its systematic name.
To give the structure from the name of the compound, the root name has to be identified. The root name indicates the number of carbon atoms present in the longest chain.
Then the functional group (suffix) has to be identified. It indicates whether any functional groups are present in the compound, it also gives whether the compound is an alkane or alkene or alkyne.
The prefix of the name indicates the branched groups and their positions on the carbon chain.
The name of the compound is in the form
Prefix + Root + Suffix
The geometric isomers are said to be the isomers which shows different orientation of groups around a double bond. The geometric isomers are also known as cis-trans isomers.
When two similar or higher priority groups are attached to the carbon on same side, it is said to be cis-isomer.
When two similar or higher priority groups are attached to the carbon on opposite sides, it is said to be trans-isomer.
To exhibit the geometric isomerism, a molecule should have double bonded carbon atoms (
(c)
Interpretation:
The compound 1-chloropropene exhibit geometric isomerism or not has to be given and two isomers has to be drawn and named for the given structure.
Concept Introduction:
The structure of the compound is given by its systematic name.
To give the structure from the name of the compound, the root name has to be identified. The root name indicates the number of carbon atoms present in the longest chain.
Then the functional group (suffix) has to be identified. It indicates whether any functional groups are present in the compound, it also gives whether the compound is an alkane or alkene or alkyne.
The prefix of the name indicates the branched groups and their positions on the carbon chain.
The name of the compound is in the form
Prefix + Root + Suffix
The geometric isomers are said to be the isomers which shows different orientation of groups around a double bond. The geometric isomers are also known as cis-trans isomers.
When two similar or higher priority groups are attached to the carbon on same side, it is said to be cis-isomer.
When two similar or higher priority groups are attached to the carbon on opposite sides, it is said to be trans-isomer.
To exhibit the geometric isomerism, a molecule should have double bonded carbon atoms (
(d)
Interpretation:
The compound 2-chloropropene exhibit geometric isomerism or not has to be given and two isomers has to be drawn and named for the given structure.
Concept Introduction:
The structure of the compound is given by its systematic name.
To give the structure from the name of the compound, the root name has to be identified. The root name indicates the number of carbon atoms present in the longest chain.
Then the functional group (suffix) has to be identified. It indicates whether any functional groups are present in the compound, it also gives whether the compound is an alkane or alkene or alkyne.
The prefix of the name indicates the branched groups and their positions on the carbon chain.
The name of the compound is in the form
Prefix + Root + Suffix
The geometric isomers are said to be the isomers which shows different orientation of groups around a double bond. The geometric isomers are also known as cis-trans isomers.
When two similar or higher priority groups are attached to the carbon on same side, it is said to be cis-isomer.
When two similar or higher priority groups are attached to the carbon on opposite sides, it is said to be trans-isomer.
To exhibit the geometric isomerism, a molecule should have double bonded carbon atoms (

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Chapter 15 Solutions
CHEMISTRY:MOLEC NAT PRINT COMPANION
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