Select the structure of the conjugated diene.
A)I
B)II
C)III
D)IV

Name: Select the structure of the conjugated diene. A)I B)II C)III D)IV
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Question

Select the structure of the conjugated diene. 
A)I 
B)II 
C)III 
D)IV

Quizplus · Accepted Answer

The structure in choice II is a conjugated diene because it has two adjacent carbon-carbon double bonds that are separated by a single bond. In choice I, there are two separate double bonds that are not conjugated, and in choices III-V, there are more than two double bonds that are not all conjugated.

Select the Structure of the Conjugated Diene