NEET
Arjuna NEET 2.0 (2025)
Organic Chemistry
DPP: 4
Some Basic principles and Techniques (IUPAC Naming)
Q1 Correct IUPAC name of the following compound (A) Butane
is (B) Buta-1, 3-diene
(C) Butane-1, 3-diene
(D) None of these
Q6 The IUPAC name of the compound having the
(A) 5,6-diethyl-8-methylde-6-ene
formula is
(B) 5,6-diethyl-3-methyldec-4-ene
(C) 6-butyl-5-ethyl-3-methyl-dec-4-ene
(D) 2, 4, 5-triethylnon-3-ene
Q2 IUPAC name for the given compound is
(A) 3, 3, 3-Trimethylprop-1-ene
(B) 1, 1, 1-Trimethylprop-2-ene
(C) 3, 3-dimethylbut-1-ene
(A) 4-ethylpent-2-ene (D) 2, 2-Drimethylbut-3-ene
(B) 1-ethyl-3-methylbut-2-ene
(C) 3-methylhex-4-en-1-yne Q7 The correct structure of 3, 3-dimethyl butyne is
(D) 4-methylhex-2-en-5-yne (A) CH3 CH2 − C ≡ C − CH2 CH3
(B) (CH3 )3 C − C ≡ CH
Q3 IUPAC name of the following compound is (C) CH3 − C ≡ CCH(CH3 )
2
(D)
(CH3 ) C = CH − CH2 Cl
2
(A) 2-methyl-4-chloro-pentene
(B) 2-methyl-4-chloro-but-2-ene Q8 IUPAC name of given compound is
(C) 1-chloro-3-methylbut-2-ene
(D) 1-chloro-3-methylpent-2-ene
Q4
IUPAC name will be
(A) Hex-5-en-1-yne (B) Hex-1-en-5-yne (A) 2-Ethyl-3-methyl-hexa-1-en-4-yne
(C) Hex-6-en-1-yne (D) Hex-1-en-6-yne (B) 5-Ethyl-4-methyl-hexa-2-yn-5-ene
(C) 3-Methylene-4-methylhepta-5-yne
Q5 The IUPAC name of CH2 = CH − CH = CH2
(D) 4-Methyl-5-methylene hepta-2-yne
is
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Q9 Number of σ and π bonds in the following (D)
molecule?
(A) 19, 7 (B) 20, 7
(C) 19, 6 (D) 18, 6
Q10 Which of the following has longest parent carbon
chain:
(A)
(B)
(C)
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Answer Key
Q1 (B) Q6 (C)
Q2 (C) Q7 (B)
Q3 (C) Q8 (A)
Q4 (B) Q9 (C)
Q5 (B) Q10 (C)
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