Explain: Why the confirmation of unsaturation in a compound both the tests namely test with bromine water and test with baeyer's reagent should be performed?
Answers
Explanation:
The confirmation of unsaturation in a compound, should both the test namely test with Br water and the Bayer's reagent be performed, because each test is not specific to only one kind of functional group.
Answer:
An essential stage in the study of organic compounds is confirming their unsaturation. Double or triple bonds between the carbon atoms in unsaturated molecules make them more reactive and can change their physical and chemical characteristics.
Explanation:
The test with bromine water and the test with Baeyer's reagent are the two commonly used techniques to determine whether a substance is unsaturated.
Following are the justifications for conducting both tests:
- Test using bromine water: The idea behind this test is that bromine water can react with unsaturated substances and break the double or triple bonds, which will cause it to turn colourless. With bromine water, some saturated chemicals can also react and provide erroneous positive results.
- Use Baeyer's reagent to perform the test : Baeyer's reagent is a potassium permanganate (KMnO4) solution in diluted sulfuric acid. It can change colour from purple to brown when in reaction with unsaturated chemicals. This test can discriminate between saturated chemicals that do not react with Baeyer's reagent and unsaturated compounds more effectively. However, in the presence of some reducing agents or contaminants, this test might potentially produce false positive results.
We can more accurately and reliably confirm unsaturation in a chemical by running both tests. If a substance does well in both tests, it is probably unsaturated. When a substance does poorly in both tests, it is probably saturated.
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