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

What are hybridisation states of each carbon atom in the following compounds?

CH₂=C=O, CH₃CH=CH₂, (CH₃)₂CO, CH₂=CHCN, C₆H₆

Indicate the σ and π bonds in the following molecules :

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

Give the IUPAC names of the following compounds:

(a) (b) (c)

(d) (e) (f) Cl₂CHCH₂OH

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.