Iodoform test is not given by

1. 2-pentanone                 

2. ethanol

3. ethanal                         

4. 3-pentanone

Subtopic:  Aldehydes & Ketones: Preparation & Properties |
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh

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Two isomeric ketones 3-Pentanones and 2-pentanone can be distinguished by

1. I2/NaOH only               

2. NaHSO3 only

3. NaCN/HCl                     

4. both of (a) and (b)   

Subtopic:  Aldehydes & Ketones: Preparation & Properties |
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh

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Products of the following reaction                                   

  CH3CC-CH2CH3 (ii) hydrolysis(i) O3 ... are

1. CH3CHO + CH3CH2CHO

2. CH3COOH + CH3COCH3

3. CH3COOH + HOOC-CH2CH3

4. CH3COOH + CO2

Subtopic:  Aldehydes & Ketones: Preparation & Properties |
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NEET 2022 - Target Batch - Aryan Raj Singh

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Which alkene on ozonolysis gives CH3CH2CHO and CH3COCH3?                                          

1. CH3CH2CH=C<CH3CH3

2. CH3CH2CH=CHCH2CH3

3. CH3CH2CH=CHCH3

4. CH3-C|=CHCH3           CH3

Subtopic:  Aldehydes & Ketones: Preparation & Properties |
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh

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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 |
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh

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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 |
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh

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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 |
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh

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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 |
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh

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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 |
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh

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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 |
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh

Difficulty Level: