Multiple Choice
Buffering is used to maintain the pH of human blood in the relatively narrow 7.3 - 7.4 range.What acid/base pair serves to buffer the blood?
A) H2O / HO-
B) H3O+ / H2O
C) H2CO3 / HCO3-
D) NH4+ / NH3
E) HCl / Cl-
Correct Answer:
Verified
Correct Answer:
Verified
Q1: What is the pH of a 0.1
Q2: The pKa of CH<sub>3</sub>COOH is 4.8.If the
Q3: Which of the following anions,CH<sub>3</sub>CHBrCO<sub>2</sub><sup>- </sup>or CH<sub>3</sub>CHFCO<sub>2</sub><sup>-</sup>
Q4: The pKa of CH<sub>3</sub>COOH is 4.8 and
Q6: What is the conjugate acid of CH<sub>3</sub>NH<sub>2</sub>?<br>A)CH<sub>3</sub>NH<sub>3</sub><sup>+</sup><br>B)CH<sub>3</sub>NH<sup>-</sup><br>C)NH<sub>4</sub><sup>+</sup><br>D)NH<sub>2</sub><sup>-</sup>
Q7: Which species act as bases in the
Q8: Explain why AlCl<sub>3</sub> is a Lewis acid.
Q10: Give the conjugate acid and the conjugate
Q11: Identify the most acidic carboxylic acid.<br>A)ICH<sub>2</sub>COOH<br>B)BrCH<sub>2</sub>COOH<br>C)CH<sub>3</sub>COOH<br>D)FCH<sub>2</sub>COOH<br>E)ClCH<sub>2</sub>COOH
Q117: Write a completed equation for the acid-base