Which alkene on ozonolysis gives CH3CH2CHO and CH3COCH3?

1. 
2.  \(\mathrm{CH}_3 \mathrm{CH}_2 \mathrm{CH}=\mathrm{CHCH}_2 \mathrm{CH}_3\)
3.  \(\mathrm{CH}_3 \mathrm{CH}_2 \mathrm{CH}=\mathrm{CHCH}_3\)
4. 

 

Subtopic:  Aldehydes & Ketones: Preparation & Properties |
 81%
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The major organic product formed from the following reaction

 (ii) LiAlH4  (iii) H2O(i) CH3NH2 ... is

1.                   

2.  

3.                 

4.  

 

Subtopic:  Isomers & Reaction Mechanism |
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Benzoic acid gives benzene on being heated with X and phenol gives benzene on being heated with Y. Therefore, X and Y are respectively                                                              

1. Sodalime and copper

2. Zn dust and NaOH

3. Cu and sodalime

4. Sodalime and zinc dust

Subtopic:  Carboxylic Acids: Preparation & Properties |
 75%
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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 |
 85%
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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 |
 65%
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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 |
 68%
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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 |
 83%
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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 |
 72%
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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 |
 82%
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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 |
 89%
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