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Haryana PMT Haryana PMT Solved Paper-2000

  • question_answer
    If \[C{{H}_{3}}COOH+O{{H}^{-}}\to C{{H}_{3}}CO{{O}^{-}}+{{H}_{2}}O\]\[+{{q}_{1}}\] and \[{{H}^{+}}+O{{H}^{-}}\to {{H}_{2}}O+{{q}_{2}}\] then the enthalpy change for the reaction, \[C{{H}_{3}}COOH\xrightarrow{{}}C{{H}_{3}}CO{{O}^{-}}+{{H}^{+}}\] is equal to:

    A)  \[{{q}_{1}}-{{q}_{2}}\]          

    B)  \[{{q}_{2}}-{{q}_{1}}\]

    C)  \[{{q}_{1}}+{{q}_{2}}\]

    D)  None of these

    Correct Answer: A

    Solution :

    Sol.         \[C{{H}_{3}}COOH+O{{H}^{-}}\xrightarrow{{}}C{{H}_{3}}CO{{O}^{-}}\]\[+{{H}_{2}}O+{{q}_{1}}\]                 \[{{H}^{+}}+O{{H}^{-}}\xrightarrow{{}}{{H}_{2}}O+{{q}_{2}}\]\[C{{H}_{3}}COOH\xrightarrow{{}}C{{H}_{3}}CO{{O}^{-}}+{{H}^{+}}+({{q}_{1}}-{{q}_{2}})\]


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