Choose the suitable answer. 1) Molish test is characteristic test for aliphatic amines. 2) Haloform test gives yellow ppt with methanol. 3) Fehling solution test gives red ppt with... Choose the suitable answer. 1) Molish test is characteristic test for aliphatic amines. 2) Haloform test gives yellow ppt with methanol. 3) Fehling solution test gives red ppt with glucose. 4) Unsaturation test gives decolorization with benzene acid. 5) Sodium cinnamate is soluble in water. 6) Conc H2SO4 offers charring with oxalic acid. 7) In esterification test, ethanol gives mint green oil. Discuss how can you differentiate practically between each of the following.
Understand the Problem
The question is asking for validation of several statements related to organic chemistry tests and methods. It requires determining whether each statement is true or false based on chemical knowledge.
Answer
1) False, 2) False, 3) True, 4) False, 5) False, 6) True, 7) False
The correct results are: 1) False, 2) False, 3) True, 4) False, 5) False, 6) True, 7) False
Answer for screen readers
The correct results are: 1) False, 2) False, 3) True, 4) False, 5) False, 6) True, 7) False
More Information
The Molisch test is for carbohydrates, not aliphatic amines. The haloform test does not work with methanol. Fehling’s solution gives a red precipitate with glucose, indicating the presence of reducing sugars. Sodium cinnamate is not very soluble in water. Concentrated H2SO4 chars oxalic acid due to dehydration.
Tips
A common mistake is misunderstanding the specific conditions and substances that give positive results in these tests.
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