IUPAC Nomenclature NEET Questions

Organic Chemistry - Hydrocarbons

IUPAC Nomenclature MCQ Questions


13.
The IUPAC name of the compound CH3-CH(CH3)-C(CH3)2-CH2-CH3 is:
A.
2,3-Dimethyl-3-methylpentane
B.
2,3,3-Trimethylpentane
C.
3,3,4-Trimethylpentane
D.
2,2,3-Trimethylpentane
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ANSWER :
B. 2,3,3-Trimethylpentane
14.
The IUPAC name of CH3-C(CH3)2-CH2-CH2-CH(CH3)-CH3 is:
A.
2,2,5-Trimethylhexane
B.
5,5,2-Trimethylhexane
C.
2,5,5-Trimethylhexane
D.
2,2,5-Trimethylpentane
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ANSWER :
A. 2,2,5-Trimethylhexane
15.
The IUPAC name of 'tetramethylmethane' is:
A.
2,2-Dimethylbutane
B.
2-Methylpropane
C.
2,2-Dimethylpropane
D.
2,2,3,3-Tetramethylbutane
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ANSWER :
C. 2,2-Dimethylpropane
16.
The IUPAC name of (CH3)3C-CH2-CH(CH3)-CH2-CH3 is:
A.
5,5,3-Trimethylhexane
B.
3,3,5-Trimethylhexane
C.
2,2,4-Trimethylpentane
D.
2,2,4-Trimethylhexane
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ANSWER :
D. 2,2,4-Trimethylhexane
17.
What is the IUPAC name of (CH3)2CH-CH2-CH(C2H5)-CH3?
A.
3-Ethyl-5-methylpentane
B.
2-Methyl-4-ethylpentane
C.
2,4-Dimethylhexane
D.
4-Ethyl-2-methylpentane
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ANSWER :
C. 2,4-Dimethylhexane
18.
The IUPAC name of (CH3)2C=CH-CH3 is:
A.
2-Methylbut-2-ene
B.
2-Methylbutene
C.
3-Methylbut-2-ene
D.
2-Methylbut-3-ene
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ANSWER :
A. 2-Methylbut-2-ene