The -OH group of an alcohol or the -COOH group of a carboxylic acid can be replaced by -Cl using     

1. phosphorus pentachloride

2. hypochlorous acid

3. chlorine

4. hydrochloric acid

Subtopic:  Aldehydes & Ketones: Preparation & Properties |
 75%
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An ester is boiled with KOH. The product is cooled and acidified with conc. HCl. A white crystalline acid separates. The ester is

1. methyl acetate 

2. ethyl acetate

3. ethyl formate 

4. ethyl benzoate

Subtopic:  Acid Derivatives - Preparation, Properties & Uses |
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The compound formed when malonic acid heated with urea, is                  

1. cinnamic acid

2. butyric acid

3. barbituric acid

4. crotonic acid

Subtopic:  Isomers & Reaction Mechanism |
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Trichloroacetaldehyde, CCl3CHO reacts with chlorobenzene in the presence of sulphuric acid and produces                                                                         

1. 

2. 

3. 

4. 

 

Subtopic:  Isomers & Reaction Mechanism |
 53%
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What is formed when a primary alcohol undergoes catalytic dehydrogenation?

1. Aldehyde 

2. Ketone 

3. Alkene

4. Acid 

Subtopic:  Isomers & Reaction Mechanism |
 72%
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The compound which on reduction with LiAlH4 gives two diffrent alcohols:

1. CH3COOCH3                         

2.  CH3COOC2H5

3. CH3COCH3                           

4.  CH3CHO

Subtopic:  Aldehydes & Ketones: Preparation & Properties | Isomers & Reaction Mechanism | Acid Derivatives - Preparation, Properties & Uses |
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HCHO and HCOOH are distinguished by treating with:

1. Tollens reagent

2. NaHCO3

3. Fehling's Solution

4. Benedict Solution

Subtopic:  Aldehydes & Ketones: Preparation & Properties |
 61%
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Lacrymator or tear gas is:

1. C6H5COCl                               

2. C6H5OC6H5

3. C6H5COCH2Cl                         

4. C6H5COCH3

Subtopic:  Acid Derivatives - Preparation, Properties & Uses | Name Reaction |
 52%
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Formaldehyde can be distinguished from acetaldehyde by:

1. Fehling's solution                     

2. Schiff's reagent

3. Ammonia                               

4. Ammoniacal AgNO3

Subtopic:  Aldehydes & Ketones: Preparation & Properties |
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The correct acidity order of the following is:

1. (III)>(IV)>(II)>(I)                       

2. (IV)>(III)>(I)>(II)

3. (III)>(II)>(I)>(IV)                       

4. (II)>(III)>(IV)>(I)  

Subtopic:  Aldehydes & Ketones: Preparation & Properties |
 57%
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