Tetravalency of carbon hybridization shapes of molecules classification by functional groups homologous series and isomerism - One Line Questions

1. Which of the following is an example of a cycloalkane functional group? — Cyclo-
2. Which of the following is NOT a functional group in organic chemistry? — -CH₃ (methyl)
3. In isobutane (2-methylpropane), how many secondary carbon atoms are present? — 0
4. In isobutane (2-methylpropane), how many primary carbon atoms are present? — 3
5. What is the electronic configuration of carbon in its ground state? — 1s² 2s² 2p²
6. In its excited state, what is the electronic configuration of carbon? — 1s² 2s¹ 2p³
7. The number of sigma bonds and pi bonds in ethyne is: — 3 sigma, 2 pi
8. The number of sigma bonds and pi bonds in ethene is: — 5 sigma, 1 pi
9. In a molecule with sp² hybridization, the bond angles are approximately: — 120°
10. Optical isomerism arises due to the presence of: — A chiral center (e.g., a carbon atom bonded to four different groups)
11. The functional group -COOH is the characteristic group of: — Carboxylic acids
12. Which functional group contains a carbonyl group bonded to two alkyl or aryl groups? — Ketone
13. Alkanes, alkenes, and alkynes belong to which class of hydrocarbons? — Aliphatic hydrocarbons
14. Ethanol and dimethyl ether are examples of: — Functional isomers
15. 1-propanol and 2-propanol are examples of: — Position isomers
16. The general formula for alkanes is: — CnH₂n+₂
17. The general formula for alkenes is: — CnH₂n
18. The general formula for alkynes is: — CnH₂n-₂
19. Stereoisomerism is a type of isomerism where isomers have: — Same structural formula but different spatial arrangement of atoms
20. The simplest alkane is: — Methane
21. What is the name of the compound with molecular formula C₂H₄? — Ethene
22. What is the name of the compound with molecular formula C₂H₂? — Ethyne
23. Which of the following is a secondary alcohol? — Propan-2-ol
24. Which of the following pairs represents metamers? — Diethyl ether and methyl propyl ether
25. The first member of the alkene homologous series is: — Ethene
26. Compounds that have the same molecular formula but different structural formulas are called: — Isomers
27. A group of organic compounds having the same functional group and successive members differing by a CH₂ unit is called a: — Homologue
28. The phenomenon where an atom of a particular element can have different types of hybridization is known as: — Hybridization
29. The functional group -CHO is characteristic of which class of compounds? — Aldehydes
30. The shape of a molecule with sp² hybridization is: — Trigonal planar
31. What is the geometry of a molecule with sp³ hybridization? — Tetrahedral
32. What is the geometry around each carbon atom in ethyne (C₂H₂)? — Linear
33. Which of the following is a tertiary alcohol? — 2-methylpropan-2-ol
34. The classification of organic compounds is primarily based on: — Presence of specific functional groups
35. What type of isomerism exists between n-butane and isobutane (2-methylpropane)? —
36. A carbon atom bonded to three other carbon atoms is classified as: — Tertiary
37. In neopentane (2,2-dimethylpropane), what is the classification of the central carbon atom? — Quaternary
38. Which type of carbon atom is bonded to only one other carbon atom? — Primary (1°)
39. Which of the following is a primary alcohol? — Propan-1-ol
40. What is the name of the compound with molecular formula C₃H₈? — Propane
41. Which of the following represents an alkyl group? — R-
42. Which of the following is a characteristic of a homologous series? — Gradual change in physical properties
43. Geometric isomerism (cis-trans isomerism) is possible in compounds with: — Double bonds or rings and restricted rotation
44. Which type of hybridization is observed in methane (CH₄)? — sp³
45. In ethene (C₂H₄), what is the hybridization of each carbon atom? — sp²
46. The presence of a double bond between carbon atoms indicates which type of hybridization for those carbon atoms? — sp²
47. The carbon atoms in benzene (C₆H₆) are hybridized as: — sp²
48. Which hybridization corresponds to a linear geometry? — sp
49. A triple bond between carbon atoms involves which type of hybridization for those carbon atoms? — sp
50. The term 'tetravalency' for carbon refers to its ability to form how many covalent bonds? — Four
All One Line Questions
E-Book Tetravalency of carbon hybridization shapes of molecules classification by functional groups homologous series and isomerism Online Test Tetravalency of carbon hybridization shapes of molecules classification by functional groups homologous series and isomerism Question Bank Tetravalency of carbon hybridization shapes of molecules classification by functional groups homologous series and isomerism