BCECE Medical BCECE Medical Solved Papers-2008

  • question_answer
    The compound in which underlined carbon uses only its \[s{{p}^{3}}\] hybrid orbitals for bond formation is

    A)  \[C{{H}_{3}}\underline{C}OOH\]

    B)  \[C{{H}_{3}}\underline{C}ON{{H}_{2}}\]

    C)  \[C{{H}_{3}}\underline{C}{{H}_{2}}OH\]

    D)  \[C{{H}_{3}}\underline{C}{{H}_{2}}=C{{H}_{2}}\]

    Correct Answer: C

    Solution :

    \[C{{H}_{3}}\overset{\begin{smallmatrix}  O \\  || \end{smallmatrix}}{\mathop{\underset{s{{p}^{2}}}{\mathop{C}}\,}}\,-OH\]                \[C{{H}_{3}}\overset{\begin{smallmatrix}  O \\  || \end{smallmatrix}}{\mathop{\underset{s{{p}^{2}}}{\mathop{C}}\,}}\,-N{{H}_{2}}\] \[C{{H}_{3}}-\overset{\begin{smallmatrix}  H \\  | \end{smallmatrix}}{\mathop{\underset{\begin{smallmatrix}  | \\  H \end{smallmatrix}}{\mathop{C}}\,}}\,\underset{s{{p}^{3}}}{\mathop{-}}\,OH\] \[C{{H}_{3}}-\overset{\begin{smallmatrix}  H \\  | \end{smallmatrix}}{\mathop{\underset{s{{p}^{2}}}{\mathop{C}}\,}}\,=C{{H}_{2}}\]


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