IUPAC Nomenclature NEET Questions

Organic Chemistry - Hydrocarbons

IUPAC Nomenclature MCQ Questions


1.
What is the IUPAC name of (CH3)3C-CH2-CH(CH3)2?
A.
2,2,4-Trimethylpentane
B.
2,4,4-Trimethylpentane
C.
2,2-Dimethyl-4-methylpentane
D.
2,2,4,4-Tetramethylbutane
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ANSWER :
A. 2,2,4-Trimethylpentane
2.
The IUPAC name of (CH3)2CH-CH(CH3)-CH2-CH3 is:
A.
2-Methyl-3-methylpentane
B.
2,3-Dimethylbutane
C.
2,3-Dimethylpentane
D.
3,4-Dimethylpentane
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ANSWER :
C. 2,3-Dimethylpentane
3.
Identify the IUPAC name of CH3-CH2-C(CH3)2-CH2-CH3:
A.
2,2-Dimethylpentane
B.
3,3-Dimethylpentane
C.
3-Ethyl-3-methylbutane
D.
2,2-Dimethylbutane
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ANSWER :
B. 3,3-Dimethylpentane
4.
The IUPAC name of (CH3)2CH-CH2-CH(CH3)-CH3 is:
A.
2,4-Dimethylbutane
B.
2-Methyl-4-methylpentane
C.
Isohexane
D.
2,4-Dimethylpentane
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ANSWER :
D. 2,4-Dimethylpentane
5.
The IUPAC name of neopentane is:
A.
2,2-Dimethylpropane
B.
2,2-Dimethylbutane
C.
Pentane
D.
2-Methylbutane
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ANSWER :
A. 2,2-Dimethylpropane
6.
The IUPAC name of isobutane is:
A.
n-Butane
B.
2,2-Dimethylpropane
C.
2-Methylpropane
D.
2-Methylbutane
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ANSWER :
C. 2-Methylpropane