BCECE Engineering BCECE Engineering Solved Paper-2008

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

    A) \[C{{H}_{3}}\underset{\scriptscriptstyle-}{C}OOH\]        

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

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

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

    Correct Answer: C

    Solution :

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


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