Please explain your choice for every answer! These are call conceptual but make
ID: 784450 • Letter: P
Question
Please explain your choice for every answer!
These are call conceptual but make sure you get it right
1. Consider the reaction:
NH3(aq) + H20(l)---- NH4(aq) = OH(aq)
a. the NH3 is acting as an Arrhenius base and a B.L. acid
b. the H20(l) is acting as both a B.L. acid and B.L. base
c. The NH3 is acting as an Arrhenius base and a B.L. base
d. The NH3 is acting as a B.L. base and its conj. acid is OH
2. Which of the following effects is explained through ion pairing
a. Diverse ion b. Common ion c. Uncommon ion d. Both a. & c.
3. Which of the following does not have higher exp. S (entropy) than calculated S
in pure H20
a. CaCO3 b. AgCl c. PbSo4 d. MgF2
4. Additon of H+ will increase S for each of the following except
a. Ca(OH)2 b. BaF2 c. AgCl d. PbS
Explanation / Answer
1) b. the H20(l) is acting as both a B.L. acid and B.L. base
2)d. Both a. & c.
3)c. PbSo4
4)d. PbS