Ethers - Structure NEET Questions

Organic Chemistry - Organic Compounds Containing Oxygen

Ethers - Structure MCQ Questions


7.
The IUPAC name of CH₃–O–CH₃ is:
A.
Methoxymethane
B.
Methyl methanoate
C.
Dimethanol
D.
Ethoxymethane
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ANSWER :
A. Methoxymethane
8.
The IUPAC name of C₆H₅–O–CH₃ (anisole) is:
A.
Methoxybenzene
B.
Benzyl methyl ether
C.
Phenyl methyl ether
D.
Methylphenol
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ANSWER :
A. Methoxybenzene
9.
The IUPAC name of CH₃–O–CH₂–CH₂–CH₃ is:
A.
2-Methoxypropane
B.
Methyl propyl ether
C.
Propoxymethane
D.
1-Methoxypropane
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ANSWER :
D. 1-Methoxypropane
10.
How many lone pairs of electrons are present on the oxygen atom of an ether?
A.
Three
B.
Zero
C.
Two
D.
One
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ANSWER :
C. Two
11.
The C–O–C bond angle in methoxymethane (dimethyl ether) is approximately:
A.
180°
B.
111.7°
C.
104.5°
D.
90°
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ANSWER :
B. 111.7°
12.
Which of the following correctly represents the geometry around the oxygen atom in ethers?
A.
Linear with two lone pairs
B.
Trigonal planar with three bond pairs
C.
Approximately tetrahedral with two bond pairs and two lone pairs
D.
Square planar arrangement
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ANSWER :
C. Approximately tetrahedral with two bond pairs and two lone pairs