Pharmaceutical organic chemistry UE Past Papers Questions.

The reaction of carboxylic acids with alcohols catalyzed by conc.H₂SO₄ is called

1. Dehydration
2. Saponification
3. Esterification
4. Netralization
5. Rehydration

Answer / Solution

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Which of the following organic compounds is more acidic?

1. CH3-OH
2. C₆H₅-OH
3. CH3CH2CH2-NH2
4. CH3CH2CH2COOH
5. All have the same acidic strength

Answer / Solution

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Acid chlorides are formed when carboxylic acids react with

1. Halogens
2. Hydrogen halides
3. Thionyl chloride
4. Benzyl chloride
5. Vinyl chloride

Answer / Solution

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An acid anhydride is a compound that has two acyl groups (R-C=O) bonded to

1. sulphur
2. Ntrogen
3. Oxygen
4. Hydride
5. Hydrogen

Answer / Solution

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What is Saponification?

1. Base hydrolysis of carboxylic acids
2. Acidic hydrolysis of ether
3. Base hydrolysis of esters
4. Base hydrolysis of alcohols
5. Acidic hydrolysis of esters

Answer / Solution

UNSOLVED