Question

All terpenes have carbon skeletons made up of -------A. isoprene unitsB. vinyl unitsC. alkenesD. Ethylene units

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Hint: To know the correct option of the given question, we should have knowledge about what are terpenes. The terpenes are the units which contain alternate double bonds in its structure. It is present as a chief component in natural rubber.

Terpenes are used in disciplines such as in pharmacy, biotechnology and cosmetics. It is also used as an active ingredient in pesticide to remove the insects. The formula for the isoprene unit is shown by $C{{H}_{2}}=C(C{{H}_{3}})-CH=C{{H}_{3}}$.