Stephen's reaction is reduction of:

(1) alkyl cyanide with LiAlH4

(2) alkyl cyanide with SnCl2 and HCl

(3) alkyl isocyanide with Na and alcohol

(4) acyl halide in the presence of Pd/BaSO4

Subtopic:  Aldehydes & Ketones: Preparation & Properties |
 84%
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NEET 2023 - Target Batch - Aryan Raj Singh
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Which of the following does not undergo polymerization?

(1) CH3CHO

(2) HCHO

(3) CH3COCH3

(4) None of these

Subtopic:  Aldehydes & Ketones: Preparation & Properties |
 56%
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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 |
 52%
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NEET 2023 - Target Batch - Aryan Raj Singh
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In Tischenko's reaction an aldehyde is heated with catalyst:

(1) NaOH

(2) Al(OC2H5)3

(3) Al2O3

(4) Mg/Hg

Subtopic:  Aldehydes & Ketones: Preparation & Properties |
 83%
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NEET 2023 - Target Batch - Aryan Raj Singh
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Formalin is:

1. Formaldehyde

2. Formaldehyde+methanol

3. Formaldehyde+methanol+water

4. Formaldehyde+water

Subtopic:  Aldehydes & Ketones: Preparation & Properties |
From NCERT
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NEET 2023 - Target Batch - Aryan Raj Singh
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To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

Doctors detect diabetes disease by testing the presence of glucose in urine with:

(1) Nessler's reagent

(2) Fehling's solution

(3) Fenton's reagent

(4) Silver nitrate solution

Subtopic:  Aldehydes & Ketones: Preparation & Properties |
 72%
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NEET 2023 - Target Batch - Aryan Raj Singh
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Acetals are:

1. Aldehyde

2. Diethers

3. Ketones

4. Hydroxy aldehyde

Subtopic:  Aldehydes & Ketones: Preparation & Properties |
From NCERT
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NEET 2023 - Target Batch - Aryan Raj Singh
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To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

The correct order of reactivity of >CO group in given compounds is:

(1) 

(2) 

(3) 

(4) 

Subtopic:  Isomers & Reaction Mechanism |
 77%
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NEET 2023 - Target Batch - Aryan Raj Singh
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Ketones are first oxidation product of:

(1) primary alcohols

(2) secondary alcohols

(3) dilhydric alcohols

(4) trihydric alcohols

Subtopic:  Isomers & Reaction Mechanism |
 89%
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NEET 2023 - Target Batch - Aryan Raj Singh
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Alkaline hydrolysis of R2C.Cl2 forms:

(1) propanone

(2) propane

(3) alkanone

(4) alkanal

Subtopic:  Isomers & Reaction Mechanism |
 60%
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NEET 2023 - Target Batch - Aryan Raj Singh
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