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A Diprotic Acid H2A Has Ka1 = 1 *10¯4 and Ka2

Question 86

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A diprotic acid H2A has Ka1 = 1 *10¯4 and Ka2 = 1 * 10¯8. The corresponding base A2¯ is titrated with aqueous HCl, both solutions being 0.1 mol L¯1. Which one of the following diagrams best represents the titration curve which will be seen?


A) A diprotic acid H<sub>2</sub>A has K<sub>a1</sub> = 1 *10¯<sup>4</sup> and K<sub>a2</sub> = 1 * 10¯<sup>8</sup>. The corresponding base A<sup>2</sup>¯ is titrated with aqueous HCl, both solutions being 0.1 mol L¯<sup>1</sup>. Which one of the following diagrams best represents the titration curve which will be seen? A)    B)    C)    D)    E)
B) A diprotic acid H<sub>2</sub>A has K<sub>a1</sub> = 1 *10¯<sup>4</sup> and K<sub>a2</sub> = 1 * 10¯<sup>8</sup>. The corresponding base A<sup>2</sup>¯ is titrated with aqueous HCl, both solutions being 0.1 mol L¯<sup>1</sup>. Which one of the following diagrams best represents the titration curve which will be seen? A)    B)    C)    D)    E)
C) A diprotic acid H<sub>2</sub>A has K<sub>a1</sub> = 1 *10¯<sup>4</sup> and K<sub>a2</sub> = 1 * 10¯<sup>8</sup>. The corresponding base A<sup>2</sup>¯ is titrated with aqueous HCl, both solutions being 0.1 mol L¯<sup>1</sup>. Which one of the following diagrams best represents the titration curve which will be seen? A)    B)    C)    D)    E)
D) A diprotic acid H<sub>2</sub>A has K<sub>a1</sub> = 1 *10¯<sup>4</sup> and K<sub>a2</sub> = 1 * 10¯<sup>8</sup>. The corresponding base A<sup>2</sup>¯ is titrated with aqueous HCl, both solutions being 0.1 mol L¯<sup>1</sup>. Which one of the following diagrams best represents the titration curve which will be seen? A)    B)    C)    D)    E)
E) A diprotic acid H<sub>2</sub>A has K<sub>a1</sub> = 1 *10¯<sup>4</sup> and K<sub>a2</sub> = 1 * 10¯<sup>8</sup>. The corresponding base A<sup>2</sup>¯ is titrated with aqueous HCl, both solutions being 0.1 mol L¯<sup>1</sup>. Which one of the following diagrams best represents the titration curve which will be seen? A)    B)    C)    D)    E)

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