VMMC VMMC Medical Solved Paper-2009

  • question_answer
    Among the following compounds, the strongest acid is

    A) \[CH\equiv CH\]              

    B) \[{{C}_{6}}{{H}_{6}}\]    

    C) \[{{C}_{2}}H{{  }_{6}}\]               

    D) \[C{{H}_{3}}OH\]

    Correct Answer: D

    Solution :

    Acids have higher tendency to lose a proton. Among the given compound, \[\text{C}{{\text{H}}_{\text{3}}}\text{OH}\]has the highest tendency to lose a proton, hence it is the strongest acid. \[C{{H}_{3}}OH\rightleftharpoons \underset{\begin{smallmatrix}  alkoxide \\  ion \end{smallmatrix}}{\mathop{C{{H}_{3}}{{O}^{-}}}}\,+{{H}^{+}}\]


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