C2H5OH cannot be dried by anhydrous CaCl2, because:

(1) C2H5OH is soluble in water

(2) explosion takes place

(3) C2H2OH reacts with CaCl2

(4) none of the above

Subtopic:  Alcohols: Preparation & Properties |
 66%
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NEET 2023 - Target Batch - Aryan Raj Singh
Hints

Which of the following undergoes dehydration most readily?

1. 1-phenyl-1-butanol

2. 1-phenyl-2-butanol

3. 2-phenyl-2-butanol

4. 2-phenyl-1-butanol

Subtopic:  Mechanism of Dehydration, Methanol & Ethanol |
 68%
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NEET 2023 - Target Batch - Aryan Raj Singh
Hints

Glycerol on oxidation with Fenton's reagent produces:

(1) glyceraldehyde

(2) dihydroxy acetone

(3) tartonic acid

(4) glyceraldehyde and dihydroxy acetone

Subtopic:  Alcohols: Preparation & Properties |
 53%
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NEET 2023 - Target Batch - Aryan Raj Singh
Hints

The alcohol that forms fats with fatty acids is:

(1) glycerol

(2) ethanol

(3) methanol

(4) glycol

Subtopic:  Alcohols: Preparation & Properties |
 86%
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NEET 2023 - Target Batch - Aryan Raj Singh
Hints

The explosive nitroglycerine is:

(1) a soap

(2) a salt

(3) an ester

(4) a complex compound

Subtopic:  Alcohols: Preparation & Properties |
 63%
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NEET 2023 - Target Batch - Aryan Raj Singh
Hints

When an ether is treated with P2S5 we get:

(1) thio-alcohol

(2) thio-ester

(3) thio-ether

(4) thio-aldehyde

Subtopic:  Alcohols: Preparation & Properties |
 57%
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NEET 2023 - Target Batch - Aryan Raj Singh
Hints

Which one of the following will most readily be dehydrated in acidic conditions?

1. 

2. 

3. 

4. 

Subtopic:  Mechanism of Dehydration, Methanol & Ethanol |
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NEET 2023 - Target Batch - Aryan Raj Singh
Hints

1-propanol and 2-propanol can be best distinguished by:-

(1) oxidation with alkaline KMnO4 followed by reaction with Fehling's solution

(2) oxidation with acidic dichromate followed by reaction with Fehling’s solution

(3) oxidation by heating with copper followed by reaction with Fehling’s solution

(4) oxidation with conc. H2SO4 followed by reaction with Fehling’s solution

Subtopic:  Alcohols: Preparation & Properties |
 54%
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NEET 2023 - Target Batch - Aryan Raj Singh
Hints

Phenyl magnesium bromide reacts with methanol to give a mixture of:-

1. Anisole and Mg(OH)Br

2. Benzene and Mg(OMe)Br

3. Toluene and Mg(OH)Br

4. Phenol and Mg(Me)Br

Subtopic:  Mechanism of Dehydration, Methanol & Ethanol | Phenols: Preparation & Properties |
 55%
From NCERT
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NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

When wine is put in air it become sour due to:-

(1) oxidation of C2H5OH into CH3COOH

(2) bacteria

(3) virus

(4) formic acid formation

Subtopic:  Mechanism of Dehydration, Methanol & Ethanol |
 85%
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints