Which of these reagents can confirm the presence of a triple bond? A.Bromine water B.Acidified KMnO4 C.Copper (I) chloride D.Bromine gas
Question
Which of these reagents can confirm the presence of a triple bond? A.Bromine water B.Acidified KMnO4 C.Copper (I) chloride D.Bromine gas
Solution
The reagent that can confirm the presence of a triple bond is Bromine gas (D).
Here's the step by step explanation:
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Bromine water (A) and Acidified KMnO4 (B) are used to test for unsaturation, i.e., the presence of double bonds, not triple bonds. They react with double bonds to decolorize the solution, indicating the presence of an alkene.
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Copper (I) chloride (C) is not typically used to test for triple bonds.
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Bromine gas (D), however, can react with triple bonds. Alkynes (compounds with a carbon-carbon triple bond) will react with bromine gas in an addition reaction to form a tetrabromoalkane. This reaction can be used to confirm the presence of a triple bond.
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