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Alcohols: Preparation & Properties
Mechanism of Dehydration, Methanol & Ethanol
Phenols: Preparation & Properties
Electrophilic Substitution Reactions, Uses of Phenols
Ethers: Preparation & Properties, Uses
  • 1(current)
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  • 3
Q. No.

Given below are two statements: 

Assertion (A): Ortho and para nitrophenols are more acidic than phenol.
Reason (R): Phenoxide ion formed by ortho and para nitrophenols are more stable than pehenoxide ion formed by phenol.

 

1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true but (R) is not the correct explanation of (A).
3. (A) is true but (R) is false.
4. (A) is false but (R) is true.

 
 

Subtopic:  Electrophilic Substitution Reactions, Uses of Phenols |
 82%
From NCERT
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Assertion : The order of reactivity of alcohol in Luca's test is 3° >2° > 1°

Reason : The order of stability of carbocation intermediate is 3° >2° > 1°

1. Both assertion and reason are true, and reason is the correct explanation of the assertion 

2. Both assertion and reason are true, but reason is not correct explanation of the assertion 

3. Assertion is true but reason is false 

4. Both assertion and reason are false 

Subtopic:  Alcohols: Preparation & Properties | Mechanism of Dehydration, Methanol & Ethanol |
 76%
From NCERT
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NEET 2023 - Target Batch - Aryan Raj Singh
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Select the correct option based on the statements below:

Assertion (A): Phenols give o-and p-nitrophenol on nitration with conc. HNO3 and H2SO4 mixture.
Reason (R): —OH group in phenol is o-, p-directing.
 
1. Both (A) and (R) are true, and (R) is the correct explanation of (A).
2. Both (A) and (R) are true but (R) is not the correct explanation of (A).
3. (A) is true but (R) is false.
4. (A) is false but (R) is true.

Subtopic:  Electrophilic Substitution Reactions, Uses of Phenols |
From NCERT
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NEET 2023 - Target Batch - Aryan Raj Singh
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Links
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Select the correct option based on statements below:

Assertion (A): Phenol forms 2,4,6-tribromophenol on treatment with Br2 in carbon disulphide at 273K.
Reason (R): Bromine polarises in carbon disulphide.
  
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true but (R) is not the correct explanation of (A).
3. (A) is true but (R) is false.
4. Both (A) and (R) are false.
Subtopic:  Electrophilic Substitution Reactions, Uses of Phenols |
 72%
From NCERT
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NEET 2023 - Target Batch - Aryan Raj Singh
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Select the correct option based on statements below:

Assertion (A): Ethanol is a weaker acid than phenol.
Reason (R): Sodium ethoxide may be prepared by the reaction of ethanol with aqueous NaOH.
 
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true but (R) is not the correct explanation of (A).
3. (A) is true but (R) is false.
4. (A) is false but (R) is true.
Subtopic:  Phenols: Preparation & Properties |
From NCERT
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NEET 2023 - Target Batch - Aryan Raj Singh
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Select the correct option based on statements below:

Assertion (A): o-Nitrophenol is less soluble in water than the m and p-isomers.
Reason (R): m and p-Nitrophenols exist as associated molecules.
 
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true but (R) is not the correct explanation of (A).
3. (A) is true but (R) is false.
4. (A) is false but (R) is true.
Subtopic:  Phenols: Preparation & Properties |
From NCERT
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NEET 2023 - Target Batch - Aryan Raj Singh
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Select the correct option based on statements below:

Assertion (A): Boiling points of alcohols and ethers are high.
Reason (R): They can form intermolecular hydrogen bonding.
 
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true but (R) is not the correct explanation of (A).
3. (A) is true but (R) is false.
4. Both (A) and (R) are false.
Subtopic:  Alcohols: Preparation & Properties |
From NCERT
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NEET 2023 - Target Batch - Aryan Raj Singh
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Select the correct option based on the statements below:

Assertion (A):  The bond angle in ethers is slightly less than the angle of tetrahedral.
Reason (R): There is repulsion between the two bulky
(— R) groups.
 
1. Both (A) and (R) are True and (R) is the correct explanation of (A).
2. Both (A) and (R) are True but (R) is not the correct explanation of (A).
3. (A) is True but (R) is False.
4. (A) is False but (R) is True.
Subtopic:  Ethers: Preparation & Properties, Uses |
 58%
From NCERT
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NEET 2023 - Target Batch - Aryan Raj Singh
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Select the correct option based on statements below:

Assertion (A): The IUPAC name of the compoundis 2-ethoxy-2-methylethane.
Reason (R): In IUPAC nomenclature, ether is regarded as a hydrocarbon derivative in which a hydrogen atom is replaced by —OR or -OAr group
[where, R = alkyl group and Ar = aryl group].
 
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true but (R) is not the correct explanation of (A).
3. (A) is true but (R) is false.
4. (A) is false but (R) is true.
Subtopic:  Ethers: Preparation & Properties, Uses |
 59%
From NCERT
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NEET 2023 - Target Batch - Aryan Raj Singh
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NEET 2023 - Target Batch - Aryan Raj Singh

Select the correct option based on statements below:

Assertion (A): p-Nitrophenol is more acidic than phenol.
Reason (R): Nitro group helps in the stabilization of the phenoxide ion by dispersal of negative charge due to resonance.
 
1. Both (A) and (R) are True and (R) is the correct explanation of (A).
2. Both (A) and (R) are True but (R) is not the correct explanation of (A).
3. (A) is True but (R) is False.
4. (A) is False but (R) is True.
Subtopic:  Alcohols: Preparation & Properties |
 85%
From NCERT
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Select Chapter Topics:
filter
Alcohols: Preparation & Properties
Mechanism of Dehydration, Methanol & Ethanol
Phenols: Preparation & Properties
Electrophilic Substitution Reactions, Uses of Phenols
Ethers: Preparation & Properties, Uses
  • 1(current)
  • 2
  • 3
Q. No.

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