Multiple Choice
Choose the effective pH range of a pyridine/pyridinium chloride buffer? For pyridine, the value of Kb is 1.8 * 10-9.
A) 9.1-11.1
B) 1.4-3.4
C) 10.3-12.3
D) 7.7-9.7
E) 4.3-6.3
Correct Answer:
Verified
Correct Answer:
Verified
Q257: The standard potential of the cell<br>Pb(s)|PbSO<sub>4</sub>(s)|SO<sub>4</sub><sup>2</sup><sup>-</sup>(aq)M
Q258: What is the pH of an aqueous
Q259: If the pK<sub>a1</sub> = 1.81, and pK<sub>a2</sub>
Q260: All of the following are Lewis bases
Q261: What is the conjugate acid of O<sup>2</sup><sup>-</sup>?
Q263: Which metal will dissolve in hydrochloric acid?<br>A)
Q264: What is E for the half-reaction
Q265: Consider the following cell:<br>Pt|H<sub>2</sub>(g,1 atm)|H<sup>+</sup>(aq,? M)M
Q266: Which of the following indicators would be
Q267: Use the following to answer questions 55-58: