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Chemical Test to Distinguish Butene and Pentane

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Chemical Test to Distinguish Butene and Pentane

Question

Describe a simple chemical test which can be used to distinguish the following organic compounds C4H8 and C5H12

Answer

- C4H8 burns with a yellow sooty flame while C5H12 burns with a pale blue frame.
- C4H8 decolorises KMNO4 while C5H12 has no effect on purple KMNO4


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