Punjab Medical Punjab - MET Solved Paper-2010

  • question_answer
    The structure of 4-methyl-2-pentene-1-ol is

    A) \[C{{H}_{3}}-C{{H}_{2}}-HC=CH-C{{H}_{2}}OH\]

    B) \[C{{H}_{3}}-\overset{\begin{smallmatrix}  C{{H}_{3}} \\  | \end{smallmatrix}}{\mathop{CH}}\,-HC=CH-C{{H}_{2}}OH\]

    C) \[C{{H}_{3}}-\overset{\begin{smallmatrix}  OH \\  | \end{smallmatrix}}{\mathop{CHCH}}\,=\overset{\begin{smallmatrix}  C{{H}_{3}} \\  | \end{smallmatrix}}{\mathop{C}}\,-C{{H}_{3}}\]

    D) \[C{{H}_{3}}-\overset{\begin{smallmatrix}  C{{H}_{3}} \\  | \end{smallmatrix}}{\mathop{C}}\,=CH-C{{H}_{2}}C{{H}_{2}}OH\]

    Correct Answer: B

    Solution :

    The structure of 4-methyl-2-pentene-1-ol is\[\underset{5}{\mathop{C}}\,{{H}_{3}}-\underset{4}{\overset{\begin{smallmatrix}  C{{H}_{3}} \\  | \end{smallmatrix}}{\mathop{CH}}}\,-\underset{3}{\mathop{C}}\,H=\underset{2}{\mathop{C}}\,H-\underset{1}{\mathop{C}}\,{{H}_{2}}OH\]


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