Question

Which of the following represents the correct `IUPAC` name of the compounds concerned?
A. `2,2`-Dimethylpentane or `1,2`-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.

Answer 1

(1)`2,2`-Dimethylpentane , (2)`2,4,7`-Trimethyloctane
(3)`2`-Chloro-`4`-methylpentane , (4)But-`3`-yn-`1`-ol