Which among the following are unsaturated hydrocarbons?
(i) H3C — CH2 — CH2 — CH3
(ii) H3C — C ≡ C — CH3
(iii) 
(iv) 
Unsaturated hydrocarbons are compounds of carbon and hydrogen which contain double bonds and/or triple bonds.
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Which among the following are unsaturated hydrocarbons?
(i) H3C — CH2 — CH2 — CH3
(ii) H3C — C ≡ C — CH3
(iii)
(iv)
Unsaturated hydrocarbons are compounds of carbon and hydrogen which contain double bonds and/or triple bonds.