Which one of the following on oxidation gives a ketone?                       

1. primary alcohol                     

2. secondary alcohol

3. tertiary alcohol                     

4. All of these

Subtopic:  Aldehydes & Ketones: Preparation & Properties |
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A carbonyl compound reacts with hydrogen cyanide to form cyanohydrin which on hydrolysis forms a racemic mixture of α-hydroxy acid. The carbonyl compound is

1. acetaldehyde 

2. acetone

3. diethyl ketone 

4. formaldehyde                              

Subtopic:  Aldehydes & Ketones: Preparation & Properties | Isomers & Reaction Mechanism |
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Consider the following transformations

CH3COOH CaCO3AheatBNaOHI2C The molecular formula of C is                       

1. CH3-C||IOH-CH3

2. ICH2-COCH3

3. CHI3

4. CH3I

Subtopic:  Aldehydes & Ketones: Preparation & Properties |
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 A and B in the following reactions are KCNHCN/AB

1. A=RR'CH2CN, B=NaOH

2. A=, B=CH3

3. A=, B=CH3

4. A=, B=LiAlH4

Subtopic:  Aldehydes & Ketones: Preparation & Properties | Isomers & Reaction Mechanism |
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The product formed in aldol condensation is                                                                 

1. a beta-hydroxy acid

2. a beta-hydroxy aldehyde or a beta-hydroxy ketone

3. an alpha-hydroxy aldehyde or ketone

4. an alpha, beta unsaturated ester

Subtopic:  Aldehydes & Ketones: Preparation & Properties |
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Consider the following reaction,

PhenolZn-dustXAnhy.AlCl3CH3ClYAlk.KMnO4

The product Z is                            

1. toluene

2. benzaldehyde

3. benzoic acid

4. benzene

Subtopic:  Isomers & Reaction Mechanism |
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Reduction of aldehydes and ketones into hydrocarbons using zinc amalgam and conc. HCl is called    

1. Clemmenson reduction

2. Cope reduction

3. Dow reduction

4. Wolff-Kishner reduction

Subtopic:  Aldehydes & Ketones: Preparation & Properties | Name Reaction |
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Aldol condensation will not take place in

1. HCHO 

2. CH3CHO

3. CH3COCH3

4. CH3CH2CHO

Subtopic:  Aldehydes & Ketones: Preparation & Properties |
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In the below reaction, product 'P' is:

1.  2.
3. 4.
Subtopic:  Carboxylic Acids: Preparation & Properties |
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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 |
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