• question_answer How many isomers of ${{C}_{5}}{{H}_{11}}OH$ will be primary alcohols [CBSE PMT 1992] A) 2 B) 3 C) 4 D) 5

$\underset{\text{Pentan-1-ol}}{\mathop{C{{H}_{3}}-C{{H}_{2}}-C{{H}_{2}}-C{{H}_{2}}-C{{H}_{2}}-OH}}\,$ $C{{H}_{3}}-O-{{C}_{3}}{{H}_{7}}$ $\underset{2-\text{Methyl}\,\,\text{butan}-\text{l}-\text{ol}}{\mathop{\overset{4\,\,\,\,\,\,\,\,\,\,}{\mathop{C{{H}_{3}}}}\,-\overset{3\,\,\,\,\,\,\,\,\,}{\mathop{C{{H}_{2}}}}\,-\underset{C{{H}_{3}}}{\mathop{\underset{|\,\,\,\,\,\,\,\,\,}{\mathop{\overset{2\,\,\,\,\,}{\mathop{CH}}\,\,\,}}\,}}\,-\overset{1\,\,\,\,\,\,\,\,\,}{\mathop{C{{H}_{2}}}}\,-OH}}\,$ $\underset{2,2-\text{Dimethyl}\,\,\text{propan}-\text{l}-\text{ol}}{\mathop{\overset{3\,\,\,\,\,\,\,\,\,}{\mathop{C{{H}_{3}}}}\,-\underset{C{{H}_{3}}\,\,\,}{\overset{C{{H}_{3}}\,}{\mathop{\underset{|\,\,\,\,\,\,\,\,\,\,}{\overset{|\,\,\,\,\,\,\,\,\,}{\mathop{\overset{2\,\,\,\,\,\,\,}{\mathop{C\,\,\,-\,}}\,\,}}}\,}}}\,\overset{1\,\,\,\,\,\,\,\,\,\,}{\mathop{C{{H}_{2}}}}\,-OH}}\,$