organic chemistry quiz 14: Carboxylic Acids and phenols

written by gogorabei | June 16, 2023

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#1. (9) The similarity between picric acid and salicylic acid in some chemical reactions GR?

(a)Because benzene ring in each of them are attached by phenolic hydroxyl group

(a)Because benzene ring in each of them are attached by phenolic hydroxyl group

(b)Because benzene ring in each of them are attached by phenolic craboxyl group

(b)Because benzene ring in each of them are attached by phenolic craboxyl group

(c)Because benzene ring in each of them are attached by hydroxyl group

(c)Because benzene ring in each of them are attached by hydroxyl group

(d) a and b

(d) a and b

#2. 10) FeCI3 is not used to differentiate between picric and salicylic acids

(a)Because it gives violet color with the 2 compounds due to attachment of benzene ring with phenolic hydroxyl group

(a)Because it gives violet color with the 2 compounds due to attachment of benzene ring with phenolic hydroxyl group

(b)Because it gives violet color with the 2 compounds due to attachment of benzene ring with phenolic carboxylic group

(b)Because it gives violet color with the 2 compounds due to attachment of benzene ring with phenolic carboxylic group

(c)Because it gives yellow color with the 2 compounds due to attachment of benzene ring with phenolic hydroxyl group

(c)Because it gives yellow color with the 2 compounds due to attachment of benzene ring with phenolic hydroxyl group

(d)no correct answer

(d)no correct answer

#3. (11) The fruits and some vegetables are eaten fresh without cooking

(a)Because ascorbic acid (vitamin c) found in them is hydrolyzed by heat

(a)Because ascorbic acid (vitamin c) found in them is hydrolyzed by heat

(b) To be useful for human body

(b) To be useful for human body

(c) A and B

(c) A and B

(d) no correct answer

(d) no correct answer