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  • 1(current)
Q. No.

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 |
Level 3: 35%-60%
Hints

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 |
Level 3: 35%-60%
Hints

Select the correct option based on the statements given 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 |
 72%
Level 2: 60%+
Hints
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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 |
Level 3: 35%-60%
Hints
Given below are two statements:
I: The acidic strength of monosubstituted nitrophenol is higher than phenol because of electron withdrawing nitro group.
II: o-Nitrophenol, m-nitrophenol and p-nitrophenol will have same acidic strength as they have one nitro group attached to the phenolic ring.
In the light of the above statements, choose the most appropriate answer from the options given below:
1. I is incorrect but II is correct.
2. Both I and II are correct.
3. Both I and II are incorrect.
4. I is correct but II is incorrect.
Subtopic:  Phenols: Preparation & Properties |
 84%
Level 1: 80%+
NEET - 2022
Hints

Consider the two statements given below:

I. The given reaction is known as Kolbe’s reaction.
II. The given reaction is known as Reimer - Tiemann reaction.


1. Both Statement I and Statement II are true.

2. Statement I is true and Statement II is false.

3. Both Statement I and Statement II are false.

4. Statement I is false, Statement II is true.

Subtopic:  Phenols: Preparation & Properties |
 76%
Level 2: 60%+
Hints
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Match the structures of the compounds given in Column I with the name of the compounds given in Column II.

Column I(Structure) Column II(Name)
A.   (i). Phenetole
B.  (ii). o-Cresol
C. (iii). Catechol
D. (iv).  Resorcinol

Codes:

A B C D
1. (ii) (iv) (i) (iii)
2. (iii) (i) (iv) (ii)
3. (i) (iv) (iii) (ii)
4. (iv) (iii) (ii) (i)
Subtopic:  Phenols: Preparation & Properties |
 84%
Level 1: 80%+
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