Concept explainers
(a)
Interpretation:
Whether two unique configurations about double bond are possible in the given compound is to be explained.
Concept introduction:
For a given double bond, cis and trans configurations are possible if the exchange of two groups on one of the doubly bonded atoms results in a different molecule. If one of the carbon atoms of the double bond has two identical atoms or groups attached, then that double bond will not have two distinct configurations. Two groups are cis to each other if they are on the same side of a double bond, and they are trans to each other if they are on opposite sides.
(b)
Interpretation:
Whether two unique configurations about the double bond are possible in the given compound is to be explained.
Concept introduction:
For a given double bond, cis and trans configurations are possible if the exchange of two groups on one of the doubly bonded atoms results in a different molecule. If one of the carbon atoms of the double bond has two identical atoms or groups attached, then that double bond will not have two distinct configurations. Two groups are cis to each other if they are on the same side of a double bond, and they are trans to each other if they are on opposite sides.
(c)
Interpretation:
Whether two unique configurations about the double bond are possible in the given compound is to be explained.
Concept introduction:
For a given double bond, cis and trans configurations are possible if the exchange of two groups on one of the doubly bonded atoms results in a different molecule. If one of the carbon atoms of the double bond has two identical atoms or groups attached, then that double bond will not have two distinct configurations. Two groups are cis to each other if they are on the same side of a double bond, and they are trans to each other if they are on opposite sides.
(d)
Interpretation:
Whether two unique configurations about the double bond are possible in the given compound is to be explained.
Concept introduction:
For a given double bond, cis and trans configurations are possible if the exchange of two groups on one of the doubly bonded atoms results in a different molecule. If one of the carbon atoms of the double bond has two identical atoms or groups attached, then that double bond will not have two distinct configurations. Two groups are cis to each other if they are on the same side of a double bond, and they are trans to each other if they are on opposite sides.
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Organic Chemistry: Principles and Mechanisms (Second Edition)
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