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Answer to Question #25047 in Organic Chemistry for Aqib zaman

Question #25047
How will u distinguish between??
1)propene and propane
2)1-butene and 1-butyne
3)2-butene and 2-butyne
4)formaldehyde and acetaldehyde
Expert's answer
1) Differ by the presence of the double bond (in the reaction with potassium permanganate propene discolors it)
2) The first carbon atom in butene - 1 has double bond, butyne- 1 has& triple bond.
3) In the second carbon atom in the butene - 2 there is double bond, butyn-2 has& triple bond.
4)In acetaldehyde there's one methyl group more than in formaldehyde.

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