CHEM 1122 Lecture Notes - Lecture 37: Ph, Sodium Hydroxide, Weak Base
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Related Questions
Please arrange the following acids in order of increasing strength.
H3PO4 < H2PO4- < HPO4 ^-2 |
H2PO4- < H3PO4 < HPO4 ^-2 |
HPO4-2 < H2PO4- < H3PO4 |
H3PO4 < HPO4 ^-2 < H2PO4- |
All of these acids have the same strength |
Consider the following Ka values;
acetic acid Ka[CH3COOH (aq)] = 1.80 x 10^-5
chloroacetic acid Ka[CH2ClCOOH (aq)] = 1.40 x 10^-3
hypochlorous acid Ka[HClO (aq)] = 2.90 x 10^-8
hydrofluoric acid Ka[HF (aq)] = 6.30 x 10^-4
formic acid Ka[HCOOH (aq)] = 1.80 x 10^-4
Which of the following is a correct statement?
Hypochlorous acid is the weakest acid listed |
Acetic acid is a weaker acid than hypochlorous acid |
Chloroacetic acid is the strongest acid on the list |
Formic acid is a stronger acid than acetic acid |
Formic acid is a weaker acid than hydrofluoric acid |
Which of the following statements strong and weak acids is correct?
Weak acids completely dissociate in solution |
Strong acids completely dissociate in solution |
A 0.05 M solution of an acid is a weak acid |
Strong acids only partially dissociate in solution |
Weak acids completely dissociate in solution |
Which of the following is not an Arrhenius acid, but is a Lewis acid??
HSO4- |
AlCl3 |
CH3COOH |
HCl |
H2O |
Which of the following compounds is not amphoteric?
H2O |
H2CO3 |
HSO4- |
HCO3- |
H2PO4- |