Classification isomerism IUPAC nomenclature methods of preparation properties and reactions - One Line Questions

1. What is the suffix for alkenes in IUPAC nomenclature? — -ene
2. What is the suffix for alkanes in IUPAC nomenclature? — -ane
3. The IUPAC suffix for alkynes is: — -yne
4. Electrophilic addition of HBr to propene follows Markovnikov's rule, leading to the formation of: — 2-bromopropane
5. The IUPAC nomenclature system aims to provide: — A unique and systematic name for every compound
6. Which of the following is a characteristic reaction of aromatic compounds that maintains the aromaticity? — Substitution at the ring carbons
7. Benzene undergoes which type of reaction primarily? — Substitution reaction
8. The characteristic reactions of alkanes are primarily: — Substitution reactions
9. Ozonolysis of alkenes leads to the formation of: — Ketones and aldehydes
10. What is the primary classification of hydrocarbons? — Aliphatic and Aromatic
11. Hydrocarbons with at least one carbon-carbon double bond are classified as: — Alkenes
12. Alkynes can be prepared by the dehydrohalogenation of: — Vicinal or geminal dihalides
13. The addition of hydrogen to alkynes in the presence of a catalyst like Pd/BaSO4 (Lindlar's catalyst) yields: — Alkenes (cis isomer)
14. The reaction of terminal alkynes with sodium amide (NaNH2) produces: — Acetylides
15. Which type of hydrocarbon contains only single bonds between carbon atoms? — Alkanes
16. Which hydrocarbons contain a carbon-carbon triple bond? — Alkynes
17. Kolbe's electrolysis is a method for the preparation of: — Alkanes
18. Wurtz reaction is used to prepare: — Higher alkanes
19. Friedel-Crafts alkylation involves the reaction of benzene with: — Alkyl halides in the presence of Lewis acid
20. Which of the following is an example of positional isomerism? — 1-Butene and 2-Butene
21. Incomplete combustion of hydrocarbons can produce: — Carbon monoxide
22. Combustion of hydrocarbons typically produces: — Carbon dioxide and water
23. Compounds that have the same molecular formula and the same carbon skeleton but differ in the position of a functional group or substituent are called: — Positional isomers
24. What is the product of nitration of benzene using a mixture of concentrated nitric acid and concentrated sulfuric acid? — Nitrobenzene
25. Which reaction is commonly used to prepare acetylene (ethyne)? — Hydrolysis of calcium carbide
26. The addition of water to alkenes in the presence of an acid catalyst is called: — Hydration
27. Alkanes react with halogens in the presence of sunlight or UV light via: — Free radical substitution
28. What is the IUPAC name for CH3-CH2-CH3? — Propane
29. Which of the following is an example of chain isomerism? — Butane and Isobutane
30. Which type of isomerism occurs in compounds with the same molecular formula but different alkyl groups attached to the same polyvalent atom? — Metamerism
31. Electrophilic aromatic substitution reactions of benzene include: — Halogenation, Nitration, Sulfonation, Friedel-Crafts
32. What is the IUPAC name for C6H6? — Benzene
33. When numbering the parent chain in IUPAC nomenclature, the substituents should receive the: — Lowest possible number
34. Alkynes are generally: — More reactive than alkenes
35. What is the IUPAC name for the compound CH3-CH(CH3)-CH2-CH3? — 2-Methylbutane
36. In geometrical isomerism (cis-trans), the 'cis' isomer has similar groups on: — The same side of the double bond
37. The preparation of ethene from ethanol involves: — Dehydration
38. The addition of halogens (e.g., Br2) to alkenes results in: — Halogenation
39. Which of the following is a method for preparing alkanes? — Catalytic hydrogenation of alkenes and alkynes
40. Which type of structural isomerism arises from different arrangements of carbon atoms in the main chain? — Chain isomerism
41. Isomerism in which compounds have the same molecular formula and the same chain length but differ in the nature of the functional group is known as: — Functional isomerism
42. Aromatic hydrocarbons are characterized by: — A cyclic structure with delocalized pi electrons
43. What is the IUPAC name for CH3-CH=CH2? — Propene
44. What is the IUPAC name for CH≡C-CH3? — Propyne
45. The presence of a triple bond in a hydrocarbon makes it: — Unsaturated
46. For branched alkanes, the longest continuous carbon chain is identified as the: — Parent chain
47. What type of isomerism involves compounds with the same molecular formula but different structural formulas? — Structural isomerism
48. Isomerism where compounds have the same molecular formula and the same connectivity of atoms but differ in the spatial arrangement of atoms is called: — Stereoisomerism
49. Alkenes undergo which type of reaction readily? — Addition
50. Geometrical isomerism is possible in alkenes when each carbon atom of the double bond is attached to: — Two different groups
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