Which of the two: But-3-yn-1-ol or But-4-ol-1-yne represents correct IUPAC name ?

3-penten-1-ol

3-methylbut-3-en-1-ol

Which of the following represents the correct IUPAC name of the compounds concerned ? (a) 2, 2-Dimethylpentane or 2-Dimethylpentane (b) 2, 3-Dimethylpentane or 3, 4-Dimethylpentane (c) 2, 4, 7-Trimethyloctane or 2, 5, 7-Trimethyloctane. (d) But-3-yn-1-ol ot But-4-ol-1-yne

Which of the following represents the corrcet IUPAC name for the compounds concerned? a. 2,2-Dimethy1 pentane or 2-Dimethy1 pentane b. 2,4,7-Trimethy1octane or 2,5,7-Trimethyloctane c. 2-Chloro-4-methy1pentane or 4-Chloro-2-melthypentane d. But-3-yn-1-ol or But-4-ol-1-yne

Which of the following represented the correct IUPAC names for the compounds concerned ? (a) 2, 2-Dichloropentane or 2-Dichloropentane (b) 2, 3-Dimethylpentane or 3, 4-Dimethylpentane (c) 2-Bromo-4-methylpentane or 4-Bromo-2-methylpentane (d) But-3-en-1-ol or But-4-ol-1-ene.

Acetaldehyde to butan-1-ol

Pick out the error and write correct IUPAC name of pent-3-yne.

2-propen-1-ol