Chhattisgarh PMT Chhattisgarh PMT Solved Paper-2011

  • question_answer
    If to a solution of acetic acid, sodium acetate is added, then

    A)  \[[{{H}^{+}}]\] increases

    B)  \[[C{{H}_{3}}CO{{O}^{-}}]\]in decreases

    C)  Ionisation of \[C{{H}_{3}}COOH\]is suppressed

    D)  Ionisation   constant   of  \[C{{H}_{3}}COOH\] decreases

    Correct Answer: C

    Solution :

    \[C{{H}_{3}}COOHC{{H}_{3}}CO{{O}^{-}}+{{H}^{+}}\] \[C{{H}_{3}}COONaC{{H}_{3}}CO{{O}^{-}}+N{{a}^{+}}\] Due to common ion effect, ionisation of \[C{{H}_{3}}COOH\]is suppressed.


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