JEE Main & Advanced Chemistry GOC Question Bank Structural and stereo isomerism

  • question_answer The number of possible alcoholic isomers for \[{{C}_{4}}{{H}_{10}}O\] are [DPMT 1984; MNR 1986]

    A) 4

    B) 2

    C) 3

    D) 5

    Correct Answer: A

    Solution :

      1. \[\underset{\text{Butan-1-ol}}{\mathop{C{{H}_{3}}-C{{H}_{2}}-C{{H}_{2}}-C{{H}_{2}}-OH}}\,\] 2. \[COOH-\underset{OH\,}{\overset{C{{H}_{3}}}{\mathop{\underset{|\,\,\,\,\,\,\,}{\overset{|\,\,\,\,\,\,\,\,}{\mathop{{{C}^{*}}\,-\,}}}\,}}}\,C{{H}_{2}}-C{{H}_{3}}\] 3. \[\underset{\text{2 methyl propan-1-ol}}{\mathop{C{{H}_{3}}-\underset{C{{H}_{3}}}{\mathop{\underset{|\,\,\,\,\,}{\mathop{CH}}\,}}\,-C{{H}_{2}}-OH}}\,\] 4. \[\underset{\text{2-Methyl propan-2-ol}}{\mathop{C{{H}_{3}}-\underset{OH\,}{\overset{C{{H}_{3}}}{\mathop{\underset{|\,\,\,\,\,\,\,\,\,}{\overset{|\,\,\,\,\,\,\,\,}{\mathop{C\,\,-\,\,}}}\,}}}\,C{{H}_{3}}}}\,\]

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