Classify the following dienes and polyenes as isolated, conjugated, cumulated, or some combination of these classifications. (a)

Question:

Classify the following dienes and polyenes as isolated, conjugated, cumulated, or some combination of these classifications.
(a) cycloocta-1, 4-diene
(b) cycloocta-1, 3-diene
(c) cyclodeca-1, 2-diene
(d) cycloocta-1, 3, 5, 7-tetraene
(e) cyclohexa-1, 3, 5-triene (benzene)
(f) penta-1, 2, 4-triene