Reaction(s) among the following can yield phenol:

(a)
(b)
(c)
(d)


Choose the correct option
1. (a, b, c)
2. (b, c, d)
3. (a, c, d)
4. (a, b, d)

Subtopic:  Phenols: Preparation & Properties |
 70%
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Which of the following reagents can be used to oxidize primary alcohols to aldehydes?

I.  CrO3 in anhydrous medium

II.  KMnO4 in acidic medium

III.  Pyridinium chlorochromate

IV.  Heat in the presence of Cu at 573K

Choose the correct option
1. (I, II, III)
2. (II, III, IV)
3. (I, III, IV)
4. (I, II, IV)

Subtopic:  Mechanism of Dehydration, Methanol & Ethanol |
 81%
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Phenol and ethanol can be differentiated through their distinct reactions with:

I. Br2/water     

II. Na     

III. Neutral FeCl3      

Choose the correct option:
1. I, II
2. II, III
3. I only
4. I, III

Subtopic:  Phenols: Preparation & Properties |
 63%
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Which of the following are benzylic alcohols?

I. C6H5-CH2-CH2OH

II. C6H5-CH2OH

III. C6H5-C   |
 CH3 H-OH

IV.  C6H5-CH2-C  |
CH3H-OH

Choose the correct option
1. (I, II)
2. (II, III)
3. (III, IV)
4. (I, IV)

Subtopic:  Alcohols: Preparation & Properties |
 78%
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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 Column II
A.   1. Phenetole
B.  2. o-Cresol
C.   3. Catechol
D.   4.  Resorcinol

Codes

A B C D
1. 2 4 1 3
2. 3 1 4 2
3. 1 4 3 2
4. 4 3 2 1
Subtopic:  Phenols: Preparation & Properties |
 82%
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Match the starting material in Column I with the products formed (Column II) in the reaction with HI.

Column I

Column II

A.  CH3-O-CH3 1.  
B.   2.  
C.   3.  
D.    4.  CH3-OH+CH3I
5.  
 
A B C D
1. 2 3 4 1
2. 3 1 5 2
3. 5 4 3 2
4. 4 5 2 1
Subtopic:  Ethers: Preparation & Properties, Uses |
 91%
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Match the items of Column I with items of Column II.

Column l Column ll
A. Solvent used in perfumes 1. Neutral ferric chloride 
B. Wood spirit  2. Glycerol 
C. Reagent used for detection of phenolic group 3. Methanol
D. By product of soap industry used in cosmetics 4. Ethanol

Codes

A B C D
1. 2 3 4 1
2. 3 1 4 2
3. 1 4 3 2
4. 4 3 1 2
Subtopic:  Alcohols: Preparation & Properties |
 77%
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Match the items of Column I with items of Column II.

Column l 

Column ll 

A.

Reimer-Tiemann reaction 

1.

Conversion of phenol to o-hydroxysalicylic aid 

B.

Kolbe's reaction 

2.

Heated copper at 573K

C.

Conversion of 2° alcohol to a ketone 

3.

Reaction of an alkyl halide
with sodium alkoxide 

D.

Williamson's synthesis 

4.

Conversion of phenol to salicylaldehyde

Codes

A B C D
1. 2 3 4 1
2. 3 4 1 2
3. 1 4 3 2
4. 4 1 2 3
Subtopic:  Ethers: Preparation & Properties, Uses |
 90%
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Select the correct option based on statements below:

Assertion (A): The addition reaction of water to but-1-ene in acidic medium yields butan-1-ol.
Reason (R): Addition of water in an acidic medium proceeds through the formation of a primary carbocation.
 
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 |
 64%
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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%
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