Select the correct option based on statements below:

Assertion (A): The solubility of alcohols in water decreases with an increase in the number of carbon atoms.
Reason (R): The non-polar alkyl group or the hydrophobic portion supports the solubility of alcohol.
  
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 |
 67%
From NCERT
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Select the correct option based on statements below:

Assertion (A): Phenol does not react with NaHCO3 but 2,4,6-trinitrophenol does react with the evolution of CO2
Reason (R): 2,4,6-trinitrophenol is a stronger acid than carbolic acid.
  
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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Select the correct option based on statements below:

Assertion (A): Picric acid is more acidic than formic acid.
Reason (R): Picric acid has three -COOH groups whereas formic acid has one -COOH 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. Both (A) and (R) are false.
Subtopic:  Phenols: Preparation & Properties |
 74%
From NCERT
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Select the correct option based on statements below:

Assertion (A): -OH, -OCH3 groups are o, p-directing.
Reason (R): Ring is activated by the resonance effect of -OH, -OCH3 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. Both (A) and (R) are false.
Subtopic:  Electrophilic Substitution Reactions, Uses of Phenols |
 78%
From NCERT
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Amongst the following, the alcohol that reacts with conc. HCl /anhydrous ZnCl2 to form alkyl halide at room temperature, will be

1. CH3-CH2-OH

2. Ph-CH2-CH2-OH

3. Ph-C|CH3|CH3-OH

4. 

 

Subtopic:  Alcohols: Preparation & Properties |
 71%
From NCERT
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In the following reaction sequence

2.H2O2/NaOH1.B2H6XCrO3/H2SO4Y
X and Y are:

1. option
2. option
3. option
4. option
Subtopic:  Alcohols: Preparation & Properties |
 55%
From NCERT
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Major products obtained from t-butyl methyl ether and HI reaction are:
 

1.  

2.  

3.  

4.  

Subtopic:  Ethers: Preparation & Properties, Uses |
 63%
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The compound which reacts with excess bromine to produce 2, 4, 6-tribomophenol, is:

1.  1, 3-cyclohexadiene

2.  1, 3-cyclohexanedione

3.  Salicylic acid

4.  Cyclohexanone

Subtopic:  Phenols: Preparation & Properties |
 58%
From NCERT
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Phenol on treatment with dilute HNO3 gives two products P and Q. P is steam volatile but Q is not. P and Q are, respectively:

1.
2.
3.
4.

Subtopic:  Phenols: Preparation & Properties |
 86%
From NCERT
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The major product of the following reaction is

       

1.  

2.  

3.  

4.  

Subtopic:  Alcohols: Preparation & Properties |
 59%
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