Which of the following is an alkene? (i) `CH_(3) - CH = CH_(2)` (ii) `CH_(2) = C = CH_(2)` (iii) `CH_(2) = CH - CH = CH_(2)` (iv) `CH_(2) = CH - (CH_(2))_(2) - CH = CH_(2)`A. (1) (i), (ii)B. (2) (i), (ii), (iii)C. (3) (i)D. (4) (i), (ii), (iii), (iv)

Which of the following is an alkene? (i) `CH_(3) - CH = CH_(2)` (ii) `

1.	Which of the following is an alkene? (i) `CH_(3) - CH = CH_(2)` (ii) `CH_(2) = C = CH_(2)` (iii) `CH_(2) = CH - CH = CH_(2)` (iv) `CH_(2) = CH - (CH_(2))_(2) - CH = CH_(2)`A. (1) (i), (ii)B. (2) (i), (ii), (iii)C. (3) (i)D. (4) (i), (ii), (iii), (iv)
Answer» Correct Answer - C Alkenes are unsaturated acyclic hydrocarobons containing only one `pi` bond or one carbon-carbon double bond. Other compounds containing two double bonds are dienes.

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Which of the following is an alkene? (i) `CH_(3) - CH = CH_(2)` (ii) `CH_(2) = C = CH_(2)` (iii) `CH_(2) = CH - CH = CH_(2)` (iv) `CH_(2) = CH - (CH_(2))_(2) - CH = CH_(2)`A. (1) (i), (ii)B. (2) (i), (ii), (iii)C. (3) (i)D. (4) (i), (ii), (iii), (iv)

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