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Question
Write a test to differentiate between pentan -2-one and pentan -3-one.
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Solution
Iodoform test
Iodoform test is used to check for the presence of methyl keto group in carbonyl compounds.
Iodoform test with pentan −2−one and pentan−3−one
pentan −2−one has a methyl keto group, while pentan−3−one dose not have a methyl keto group.
Thus, pentan −2−one will give the iodoform test, and a yellow precipitate of iodoform wil be formed.
Iodoform test is used to check for the presence of methyl keto group in carbonyl compounds.
Iodoform test with pentan −2−one and pentan−3−one
pentan −2−one has a methyl keto group, while pentan−3−one dose not have a methyl keto group.
Thus, pentan −2−one will give the iodoform test, and a yellow precipitate of iodoform wil be formed.
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