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Test for identification of but-2-ene benzene is:
- a)Tollen’s reagent test
- b)1% alkaline KMnO4
- c)Iodoform test
- d)Br2 + H2O test.
Correct answer is option 'B,D'. Can you explain this answer?
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Most Upvoted Answer
Test for identification of but-2-ene benzene is:a)Tollen’s reage...
's test or silver mirror test.
The Tollen's test involves adding a small amount of Tollen's reagent (ammoniacal silver nitrate) to the sample and heating it. If the sample contains an alkyne or alkene, it will reduce the silver ions in the reagent and produce a silver mirror on the test tube. But-2-ene will produce a silver mirror in this test.
On the other hand, benzene does not contain any functional group that can react with Tollen's reagent, so it will not produce a silver mirror in this test. Therefore, the Tollen's test can be used to identify but-2-ene and distinguish it from benzene.
The Tollen's test involves adding a small amount of Tollen's reagent (ammoniacal silver nitrate) to the sample and heating it. If the sample contains an alkyne or alkene, it will reduce the silver ions in the reagent and produce a silver mirror on the test tube. But-2-ene will produce a silver mirror in this test.
On the other hand, benzene does not contain any functional group that can react with Tollen's reagent, so it will not produce a silver mirror in this test. Therefore, the Tollen's test can be used to identify but-2-ene and distinguish it from benzene.
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Test for identification of but-2-ene benzene is:a)Tollen’s reage...
There is no positive test in Tollen's reagents as there is no reducible aldehyde or keto group
In presence of alkaline Kmno4 alkene forms di-ol
there will be no positive test in iodoform as there is no Aldehyde or keto form
In Br2/H2O it forms bromohydrin.
Thus B and D are correct options
In presence of alkaline Kmno4 alkene forms di-ol
there will be no positive test in iodoform as there is no Aldehyde or keto form
In Br2/H2O it forms bromohydrin.
Thus B and D are correct options
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Test for identification of but-2-ene benzene is:a)Tollen’s reagent testb)1% alkaline KMnO4c)Iodoform testd)Br2 + H2O test.Correct answer is option 'B,D'. Can you explain this answer?
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