The enzyme which can catalyse the conversion of glucose to ethanol is:

1. zymase

2. diastase

3. maltase

4. invertase

Subtopic:  Mechanism of Dehydration, Methanol & Ethanol |
 79%
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NEET 2023 - Target Batch - Aryan Raj Singh
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Denatured spirit is mainly used as a:

(1) good fuel

(2) drug

(3) solvent in preparing varnishes

(4) material in the preparation of oil

Subtopic:  Alcohols: Preparation & Properties |
 69%
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NEET 2023 - Target Batch - Aryan Raj Singh
Hints

The reaction of ethanol with H2SOdoes not give:

1. C2H4

2. C2H5OC2H5

3. C2H2

4.C2H5HSO4

Subtopic:  Mechanism of Dehydration, Methanol & Ethanol |
 67%
From NCERT
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NEET 2023 - Target Batch - Aryan Raj Singh
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NEET 2023 - Target Batch - Aryan Raj Singh

The products of combustion of an aliphatic thiol (RSH) at 298K are:-

(1) CO2(l), H2O(g)andSO2(g)

(2) CO2(g), H2O(g)andSO2(g)

(3) CO2(l), H2O(l)andSO2(g)

(4) CO2(g), H2O(l)andSO2(l)

Subtopic:  Alcohols: Preparation & Properties |
 73%
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NEET 2023 - Target Batch - Aryan Raj Singh
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Which reagent will convert propionic acid to propanol-1?

(1) KMnO4

(2) LiAlH4

(3) Cr2O3

(4) MnO2

Subtopic:  Alcohols: Preparation & Properties |
 87%
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NEET 2023 - Target Batch - Aryan Raj Singh
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A liquid was mixed with ethanol and a drop of concentrated H2SO4 was added. A compound with a fruity smell was formed. The liquid was:

(1) HCHO

(2) CH3COCH3

(3) CH3COOH

(4) CH3OH

 

Subtopic:  Alcohols: Preparation & Properties |
 57%
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NEET 2023 - Target Batch - Aryan Raj Singh
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The main product of the following reaction is:

C6H5CH2CH(OH)CH(CH3)2Conc. H2SO4?

(1) 

(2) 

(3) 

(4)  

Subtopic:  Alcohols: Preparation & Properties |
 52%
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NEET 2023 - Target Batch - Aryan Raj Singh
Hints

Carbolic acid is the name used for:

1. Opium 

2. Phenol

3. Chloroform

4. H2CO3

Subtopic:  Phenols: Preparation & Properties |
 78%
From NCERT
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NEET 2023 - Target Batch - Aryan Raj Singh
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NEET 2023 - Target Batch - Aryan Raj Singh

When phenol is reacted with chloroform and an alkali like NaOH, the compound formed is salicylaldehyde. If we use pyrene in place of chloroform the product obtained is:

(1) salicylaldehyde

(2) phenolphthalein

(3) salicylic acid

(4) cyclohexanol

Subtopic:  Phenols: Preparation & Properties |
 58%
From NCERT
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NEET 2023 - Target Batch - Aryan Raj Singh
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NEET 2023 - Target Batch - Aryan Raj Singh

Which represents Reimer-Tiemann reraction ?
(1)

(2)

(3)

(4)

Subtopic:  Phenols: Preparation & Properties |
 91%
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NEET 2023 - Target Batch - Aryan Raj Singh
Hints