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  • 1(current)
Q. No.

IUPAC name of the following compound is:

CH3-CH-OCH3
|
CH3 

1. 1-Methoxy-1-methylethane     

2. 2-Methoxy-2-methylethane

3. 2-Methoxypropane                 

4. Isopropylmethyl ether

Subtopic:  Ethers: Preparation & Properties, Uses |
 69%
Level 2: 60%+
Hints

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 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
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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

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
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