Give the IUPAC names of the following compounds:

(a) (b) (c)

(d) (e) (f) Cl₂CHCH₂OH

Indicate the σ and π bonds in the following molecules :

C₆H₆, C₆H₁₂, CH₂C_l2, CH₂=C=CH₂, CH₃NO₂, HCONHCH₃

Write bond line formulas for: Isopropyl alcohol, 2,3-Dimethyl butanal, Heptan-4-one.

Which of the following represents the correct IUPAC name for the compounds concerned?

(a) 2,2-Dimethylpentane or 2-Dimethylpentane (b) 2,4,7- Trimethyloctane or 2,5,7-Trimethyloctane (c) 2-Chloro-4 methylpentane or 4-Chloro-2-methylpentane (d) But-3-yn-1-ol or But-4-ol-1-yne.

Draw formulas for the first five members of each homologous series beginning with the following compounds.

(a) H–COOH (b) CH₃COCH₃ (c) H–CH=CH₂