Which Statement Is FALSE Regarding the Titration of a Dibasic

question 12

Multiple Choice

Which statement is FALSE regarding the titration of a dibasic weak base with a strong acid? B + H⁺ → BH⁺
BH⁺ + H⁺ → BH₂²⁺

• A)For V = 0,the pH is dictated by the reaction of B with H₂O.
• B)Before the first equivalence point,V_eq1 the buffer created by B and BH⁺ determines the pH.
• C)At V_eq1 the pH is due to the reaction of BH⁺ with H₂O.
• D)After the first equivalence point,V_eq1 and before the second equivalence point,V_eq2,the buffer created by BH⁺ and BH₂²⁺ determines the pH.
• E)At V_eq2 the pH is due to the reaction of BH₂²⁺ with H₂O.

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Definitions:

Normal Distribution

The normal distribution is a bell-shaped curve describing the spread of a characteristic throughout a population, where most occurrences take place near the mean value, decreasing symmetrically in both directions.

Skewed

A distribution that is not symmetrical, with a majority of data points lying on one side of the mean.

Bimodal

A distribution with two different modes, or peaks, in a set of data, indicating two dominant frequencies or values.