Which one of the following has an aromatic character
Options
(a) Cyclopentadiene (b) Cycloheptatrienylium cation (c) cyclopropyne (d) Cycloheptatrienyl anion
Correct Answer:
Cycloheptatrienylium cation
Explanation:
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Gasoline has composition
Options
(a) C₈–C₁₂ (b) C₂–C₅ (c) C₆–C₁₁ (d) none of these
Correct Answer:
C₆–C₁₁
Explanation:
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The number of optical isomers formed by hydrogenation of the compound (CH₃)₂C=CHCH₃ are
Options
(a) 2 (b) 3 (c) 4 (d) zero
Correct Answer:
zero
Explanation:
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Ethyl iodide when heated with sodium in dry ether gives pure
Options
(a) C₄H₁₀ (b) C₂H₆ (c) C₃H₈ (d) C₂H₅OH
Correct Answer:
C₄H₁₀
Explanation:
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