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 provides a series of statements regarding chemical tests and asks the respondent to determine whether each statement is true or false. Additionally, it prompts a discussion on differentiating practically between the listed tests.
Answer
1) False, 2) False, 3) True, 4) False, 5) False, 6) True, 7) False.
The correct answers are: 1) False, 2) False, 3) True, 4) False, 5) False, 6) True, 7) False.
Answer for screen readers
The correct answers 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 produces yellow precipitate with compounds like acetone, not methanol. Fehling’s test is positive with glucose. Unsaturation is tested using Br2, not with benzene acid. Sodium cinnamate is sparingly soluble in water. Concentrated H2SO4 decomposes oxalic acid, producing a charring effect. Esterification with ethanol typically produces ethyl acetate, not mint green oil.
Tips
A common mistake is confusing the haloform test reagents and products. Make sure to remember which specific chemicals react in these characteristic tests.
Sources
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