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Consider the Weak Bases Below and Their Kb Values

Question 139

Multiple Choice

Consider the weak bases below and their Kb values: Consider the weak bases below and their K<sub>b</sub> values: Arrange the conjugate acids of these weak bases in order of increasing acid strength. A) C<sub>5</sub>H<sub>5</sub>NH<sup>+</sup> < C<sub>6</sub>H<sub>7</sub>OH < C<sub>2</sub>H<sub>5</sub>NH B) C<sub>6</sub>H<sub>7</sub>OH < C<sub>5</sub>H<sub>5</sub>NH<sup>+ </sup>< C<sub>2</sub>H<sub>5</sub>NH C) C<sub>5</sub>H<sub>5</sub>NH<sup>+</sup> < C<sub>2</sub>H<sub>5</sub>NH<sub>3</sub><sup>+ </sup>< C<sub>6</sub>H<sub>7</sub>OH D) C<sub>6</sub>H<sub>7</sub>OH < C<sub>2</sub>H<sub>5</sub>NH<sub>3</sub><sup>+</sup>< C<sub>5</sub>H<sub>5</sub>NH<sup>+</sup> E) C<sub>2</sub>H<sub>5</sub>NH<sub>3</sub><sup>+</sup>< C<sub>5</sub>H<sub>5</sub>NH<sup>+ </sup>< C<sub>6</sub>H<sub>7</sub>OH Arrange the conjugate acids of these weak bases in order of increasing acid strength.


A) C5H5NH+ < C6H7OH < C2H5NH
B) C6H7OH < C5H5NH+ < C2H5NH
C) C5H5NH+ < C2H5NH3+ < C6H7OH
D) C6H7OH < C2H5NH3+< C5H5NH+
E) C2H5NH3+< C5H5NH+ < C6H7OH

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