In equilibrium $C H_{3} C O O H + H_{2} O ⇌ C H_{3} C O O^{-} + H^{+}$
The equilibrium constant may not change when:

C H_{3} C O O^{-}

are added

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C H_{3} C O O H

is added

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catalyst is added

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mixture is heated

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Solution

The correct option is C catalyst is added
A catalyst increases the rate of a reaction without getting consumed by the reacting system. As a result, the addition of a catalyst does not affect the equilibrium constant of a reaction.
Hence, the answer is catalyst is added.

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Similar questions

C H_{3} C O O H + H_{2} O ⇌ C H_{3} C O O^{-} + H_{3} O^{+}

C H_{3} C O O H ⇌ C H_{3} C O O^{-} + H^{+}

C H_{3} C O O H + O H^{-} \to C H_{3} C O O^{-} + H_{2} O + q_{1}

H^{+} + O H^{-} \to H_{2} O + q_{2}

C H_{3} C O O H \to C H_{3} C O O^{-} + H^{+}

{C H}_{3} C O O H ⇌ H^{+} + {C H}_{3} C O O^{-}

H C l

C H_{3} C O O H + O H^{-} ⇋ C H_{3} C O O^{-} + H_{2} O + q_{1}

H^{+} + O H^{-} ⇋ H_{2} O + q_{2}

C H_{3} C O O H ⇋ C H_{3} C O O^{-} + H^{+}

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