A) \[{{K}_{a}}=\frac{[{{C}_{2}}{{H}_{3}}O_{2}^{-}][{{H}_{3}}{{O}^{+}}]}{[H{{C}_{2}}{{H}_{3}}{{O}_{2}}]}\]
B) \[{{K}_{a}}=\frac{[{{C}_{2}}{{H}_{3}}O_{2}^{-}]}{[H{{C}_{2}}{{H}_{3}}{{O}_{2}}]}\]
C) \[{{K}_{a}}=\frac{[{{C}_{2}}{{H}_{3}}O_{2}^{-}][{{H}_{3}}{{O}^{+}}]}{[H{{C}_{2}}{{H}_{3}}{{O}_{2}}][{{H}_{2}}O]}\]
D) \[{{K}_{a}}=\frac{[{{C}_{2}}{{H}_{3}}O_{2}^{-}]}{[H{{C}_{2}}{{H}_{3}}{{O}_{2}}][{{H}_{2}}O]}\]
Correct Answer: A
Solution :
[a] In equilibrium constant expression pure liquid concentration is not incorporated while the concentration of aqueous form is considered.You need to login to perform this action.
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