Concept explainers
(a)
Interpretation:
The given compound has to be identified as cis or trans isomer.
Concept introduction:
Conformers: The different spatial arrangements of the atoms the result from rotation about a single bond is called conformational isomers.
Stereoisomerism (or) geometric isomerism: It is known as cis-trans isomerism or E-Z isomerism is a form of stereoisomerism the each of two or more chemical compounds having the same molecular formula but a different geometric arrangement; an unsaturated compound or ring compound in which rotation around a carbon bond is restricted, as in (cis) and (trans) configurations know as geometric isomerism.
Relative stability of cyclohexane: The most stable conformation of cyclohexane is the chair shown to the right, the respective carbon (-C-C-) bonds are it close to
(b)
Interpretation:
The given compound has to be identified as cis or trans isomer.
Concept introduction:
Conformers: The different spatial arrangements of the atoms the result from rotation about a single bond is called conformational isomers.
Stereoisomerism (or) geometric isomerism: It is known as cis-trans isomerism or E-Z isomerism is a form of stereoisomerism the each of two or more chemical compounds having the same molecular formula but a different geometric arrangement; an unsaturated compound or ring compound in which rotation around a carbon bond is restricted, as in (cis) and (trans) configurations know as geometric isomerism.
Relative stability of cyclohexane: The most stable conformation of cyclohexane is the chair shown to the right, the respective carbon (-C-C-) bonds are it close to
(c)
Interpretation:
The given compound has to be identified as cis or trans isomer.
Concept introduction:
Conformers: The different spatial arrangements of the atoms the result from rotation about a single bond is called conformational isomers.
Stereoisomerism (or) geometric isomerism: It is known as cis-trans isomerism or E-Z isomerism is a form of stereoisomerism the each of two or more chemical compounds having the same molecular formula but a different geometric arrangement; an unsaturated compound or ring compound in which rotation around a carbon bond is restricted, as in (cis) and (trans) configurations know as geometric isomerism.
Relative stability of cyclohexane: The most stable conformation of cyclohexane is the chair shown to the right, the respective carbon (-C-C-) bonds are it close to
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EP ESSENTIAL ORG.CHEM.-MOD.MASTERING
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