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CBSE Class 11-science Answered

Write two tests to distinguish 1-pentene from n-pentane?
Asked by Topperlearning User | 24 Jul, 2014, 06:57: AM
answered-by-expert Expert Answer

1-Pentene and n-Pantane can be distinguished by the following:
i.    Reaction with Br2 in CCl4 - 1-pentene will decolourise the brown colour of the solution of Br2 in CCl4. But n-Pentane will not decolourise the colour of bromine at room temperature.
 
ii.    Reaction with cold dilute KMnO4(Baeyer's test): 1-Pentene will react with Baeyer's reagent and its colour will be discharged. n-Pentane does not react.

Answered by | 24 Jul, 2014, 08:57: AM

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