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The PH of a Solution Composed of NaCH3CO2,NaO2CCO2H,and KCl Must

Question 7

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The pH of a solution composed of NaCH3CO2,NaO2CCO2H,and KCl must be determined.To get a more complete picture of the equilibrium,the ion-pairing equilibria are included in the calculations.Which of the following is NOT valid for ion pairing?


A) K+ + CH3CO2 ⇋ KCH3CO2
The pH of a solution composed of NaCH<sub>3</sub>CO<sub>2</sub>,NaO<sub>2</sub>CCO<sub>2</sub>H,and KCl must be determined.To get a more complete picture of the equilibrium,the ion-pairing equilibria are included in the calculations.Which of the following is NOT valid for ion pairing? A) K<sup>+</sup> + CH<sub>3</sub>CO<sub>2</sub><sup>−</sup> ⇋ KCH<sub>3</sub>CO<sub>2</sub>   B) Na<sup>+</sup> + <sup>-</sup>O<sub>2</sub>CCO<sub>2</sub><sup>−</sup> ⇋ NaO<sub>2</sub>CCO<sub>2</sub><sup>−</sup>   C) Na<sup>+</sup> + Cl<sup>−</sup> ⇋ NaCl   D) Na<sup>+</sup> + CH<sub>3</sub>CO<sub>2</sub><sup>−</sup> ⇋ NaCH<sub>3</sub>CO<sub>2</sub>   E) CH<sub>3</sub>CO<sub>2</sub><sup>−</sup> + Cl<sup>−</sup> ⇋ CH<sub>3</sub>CO<sub>2</sub>Cl<sup>2</sup><sup>−</sup>
B) Na+ + -O2CCO2 ⇋ NaO2CCO2
The pH of a solution composed of NaCH<sub>3</sub>CO<sub>2</sub>,NaO<sub>2</sub>CCO<sub>2</sub>H,and KCl must be determined.To get a more complete picture of the equilibrium,the ion-pairing equilibria are included in the calculations.Which of the following is NOT valid for ion pairing? A) K<sup>+</sup> + CH<sub>3</sub>CO<sub>2</sub><sup>−</sup> ⇋ KCH<sub>3</sub>CO<sub>2</sub>   B) Na<sup>+</sup> + <sup>-</sup>O<sub>2</sub>CCO<sub>2</sub><sup>−</sup> ⇋ NaO<sub>2</sub>CCO<sub>2</sub><sup>−</sup>   C) Na<sup>+</sup> + Cl<sup>−</sup> ⇋ NaCl   D) Na<sup>+</sup> + CH<sub>3</sub>CO<sub>2</sub><sup>−</sup> ⇋ NaCH<sub>3</sub>CO<sub>2</sub>   E) CH<sub>3</sub>CO<sub>2</sub><sup>−</sup> + Cl<sup>−</sup> ⇋ CH<sub>3</sub>CO<sub>2</sub>Cl<sup>2</sup><sup>−</sup>
C) Na+ + Cl ⇋ NaCl
The pH of a solution composed of NaCH<sub>3</sub>CO<sub>2</sub>,NaO<sub>2</sub>CCO<sub>2</sub>H,and KCl must be determined.To get a more complete picture of the equilibrium,the ion-pairing equilibria are included in the calculations.Which of the following is NOT valid for ion pairing? A) K<sup>+</sup> + CH<sub>3</sub>CO<sub>2</sub><sup>−</sup> ⇋ KCH<sub>3</sub>CO<sub>2</sub>   B) Na<sup>+</sup> + <sup>-</sup>O<sub>2</sub>CCO<sub>2</sub><sup>−</sup> ⇋ NaO<sub>2</sub>CCO<sub>2</sub><sup>−</sup>   C) Na<sup>+</sup> + Cl<sup>−</sup> ⇋ NaCl   D) Na<sup>+</sup> + CH<sub>3</sub>CO<sub>2</sub><sup>−</sup> ⇋ NaCH<sub>3</sub>CO<sub>2</sub>   E) CH<sub>3</sub>CO<sub>2</sub><sup>−</sup> + Cl<sup>−</sup> ⇋ CH<sub>3</sub>CO<sub>2</sub>Cl<sup>2</sup><sup>−</sup>
D) Na+ + CH3CO2 ⇋ NaCH3CO2
The pH of a solution composed of NaCH<sub>3</sub>CO<sub>2</sub>,NaO<sub>2</sub>CCO<sub>2</sub>H,and KCl must be determined.To get a more complete picture of the equilibrium,the ion-pairing equilibria are included in the calculations.Which of the following is NOT valid for ion pairing? A) K<sup>+</sup> + CH<sub>3</sub>CO<sub>2</sub><sup>−</sup> ⇋ KCH<sub>3</sub>CO<sub>2</sub>   B) Na<sup>+</sup> + <sup>-</sup>O<sub>2</sub>CCO<sub>2</sub><sup>−</sup> ⇋ NaO<sub>2</sub>CCO<sub>2</sub><sup>−</sup>   C) Na<sup>+</sup> + Cl<sup>−</sup> ⇋ NaCl   D) Na<sup>+</sup> + CH<sub>3</sub>CO<sub>2</sub><sup>−</sup> ⇋ NaCH<sub>3</sub>CO<sub>2</sub>   E) CH<sub>3</sub>CO<sub>2</sub><sup>−</sup> + Cl<sup>−</sup> ⇋ CH<sub>3</sub>CO<sub>2</sub>Cl<sup>2</sup><sup>−</sup>
E) CH3CO2 + Cl ⇋ CH3CO2Cl2
The pH of a solution composed of NaCH<sub>3</sub>CO<sub>2</sub>,NaO<sub>2</sub>CCO<sub>2</sub>H,and KCl must be determined.To get a more complete picture of the equilibrium,the ion-pairing equilibria are included in the calculations.Which of the following is NOT valid for ion pairing? A) K<sup>+</sup> + CH<sub>3</sub>CO<sub>2</sub><sup>−</sup> ⇋ KCH<sub>3</sub>CO<sub>2</sub>   B) Na<sup>+</sup> + <sup>-</sup>O<sub>2</sub>CCO<sub>2</sub><sup>−</sup> ⇋ NaO<sub>2</sub>CCO<sub>2</sub><sup>−</sup>   C) Na<sup>+</sup> + Cl<sup>−</sup> ⇋ NaCl   D) Na<sup>+</sup> + CH<sub>3</sub>CO<sub>2</sub><sup>−</sup> ⇋ NaCH<sub>3</sub>CO<sub>2</sub>   E) CH<sub>3</sub>CO<sub>2</sub><sup>−</sup> + Cl<sup>−</sup> ⇋ CH<sub>3</sub>CO<sub>2</sub>Cl<sup>2</sup><sup>−</sup>

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