Same chapter3 marksDifficulty: Medium
How would you distinguish between ethane and ethene using bromine water?
Organic Chemistry
3 marksDifficulty: Medium
Write the general formulae of alkanes, alkenes and alkynes, and name the simplest member of each.
Original Khojo Papers practice question — not from a past board paper.
Answer
Alkanes have the general formula CnH2n+2 and the simplest is methane. Alkenes have CnH2n and the simplest is ethene. Alkynes have CnH2n−2 and the simplest is ethyne.
No citable source has been recorded for this record. Treat it as practice material, not as fact.
Explanation
Alkanes are saturated; alkenes and alkynes are unsaturated because they contain a double and a triple bond respectively.
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