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%
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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 |
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Select the correct option based on statements below:

Assertion (A): Like the bromination of benzene, bromination of phenol is carried out in the presence of Lewis acid.
Reason (R): Lewis acid polarizes the bromine molecule.
 
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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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 |
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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 |
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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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The number of structural isomers of alcohol of formula  C5H12O are -

1. 4 2. 6
3. 8 4. 10
Subtopic:  Alcohols: Preparation & Properties |
 53%
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The number of monohydric phenols that can have the molecular formula, \(\mathrm{C}_7 \mathrm{H}_8 \mathrm{O}\) are-

1. 2 2. 3
3. 4 4. 5
Subtopic:  Alcohols: Preparation & Properties |
 58%
From NCERT
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If chlorobenzene is treated with A. NaOH and B. HCl

The final product formed is :

1) Benzamide

2) Phenol

3) Cumene

4) Benzoic acid

Subtopic:  Phenols: Preparation & Properties |
 85%
From NCERT
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Phenol is more acidic than ethanol due to -

1. Resonance

2. Phenoxide ions 

3. Less -I effect

4. More ability to gain a proton

Subtopic:  Phenols: Preparation & Properties |
 59%
From NCERT
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