Match the starting material in Column I with the products formed (Column II) in the reaction with HI.

Column I

Column II

A. 1.
B. 2.
C. 3.
D. 4.
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 |
 92%
Level 1: 80%+
Hints
Links

Match the items of Column I with items of Column II.

Column l Column ll
A. Solvent used in perfumes I. Neutral ferric chloride 
B. Wood spirit  II. Glycerol 
C. Reagent used for detection of phenolic group III. Methanol
D. By product of soap industry used in cosmetics IV. Ethanol

Codes:

A B C D
1. II III IV I
2. III I IV II
3. I IV III II
4. IV III I II
Subtopic:  Alcohols: Preparation & Properties |
 78%
Level 2: 60%+
Hints

Match the reactions from Column-I with their corresponding descriptions from Column-II and select the correct option.

Column-l (Name of Reaction)

Column-ll (Description of Reaction)

A.

Reimer-Tiemann reaction 

I.

Conversion of phenol to o-hydroxysalicylic aid 

B.

Kolbe's reaction 

II.

Heated copper at 573K

C.

Conversion of 2° alcohol to a ketone 

III.

Reaction of an alkyl halide
with sodium alkoxide 

D.

Williamson's synthesis 

Iv.

Conversion of phenol to salicylaldehyde

Codes:

A B C D
1. II III IV I
2. III IV I II
3. I IV III II
4. IV I II III
Subtopic:  Ethers: Preparation & Properties, Uses |
 89%
Level 1: 80%+
Hints

advertisementadvertisement

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 |
 67%
Level 2: 60%+
Hints

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 |
 86%
Level 1: 80%+
Hints

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 |
 61%
Level 2: 60%+
Hints

advertisementadvertisement

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 |
 61%
Level 2: 60%+
Hints

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 |
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

advertisementadvertisement

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