11.3 (i) Draw the structures of all isomeric alcohols of molecular formula C5H12O and give their IUPAC names.
(i) The structures of all isomeric alcohols of molecular formula, C5H12O are shown below:
(a)
Pentan-1-ol (1°)
(b)
2-Methylbutan-1-ol (1°)
(c)
3-Methylbutan-1-ol (1°)
(d)
2, 2-Dimethylpropan-1-ol (1°)
(e)
Pentan-2-ol (2°)
(f)
3-Methylbutan-2-ol (2°)
(g)
Pentan-3-ol (2°)
(h)
2-Methylbutan-2-ol (3°)
(ii) Primary alcohol: Pentan-1-ol; 2-Methylbutan-1-ol;
3-Methylbutan-1-ol; 2, 2−Dimethylpropan-1-ol
Secondary alcohol: Pentan-2-ol; 3-Methylbutan-2-ol;
Pentan-3-ol
Tertiary alcohol: 2-methylbutan-2-ol
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