Ionic Equilibrium
Chemical equilibrium and ionic equilibrium are two major concepts in chemistry. Ionic equilibrium deals with the equilibrium involved in an ionization process while chemical equilibrium deals with the equilibrium during a chemical change. Ionic equilibrium is established between the ions and unionized species in a system. Understanding the concept of ionic equilibrium is very important to answer the questions related to certain chemical reactions in chemistry.
Arrhenius Acid
Arrhenius acid act as a good electrolyte as it dissociates to its respective ions in the aqueous solutions. Keeping it similar to the general acid properties, Arrhenius acid also neutralizes bases and turns litmus paper into red.
Bronsted Lowry Base In Inorganic Chemistry
Bronsted-Lowry base in inorganic chemistry is any chemical substance that can accept a proton from the other chemical substance it is reacting with.
Calculate the pH of the following:
- 0.10 M alanine hydrochloride
![Name
Structure
K,
Acetic acid
CH,CO,H
4.756
1.75 x 10-5
(ethanoic acid)
NH
Alaninc
CHCH,
2.344 (CO,H)
9.868 (NH,)
4.53 X 10-3
CO,H
1.36 X 10-10
Aminobenzene
- NH
4.601
2.51 X 10-5
(aniline)
4-Aminobenzenesulfonic acid
(sulfanilic acid)
- NH
3.232
5.86 x 10-4
NH
2-Aminobenzoic acid
2.08 (CO,H)
4.96 (NH,)
8.3 X 10-3
1.10 x 10-s
(anthranilic acid)
CO,H
2-Aminocthanethiol
(2-mercaptoethylamine)
HSCH,CH,NH;
8.21 (SH) (u = 0.1)
10.73 (NH,) (p = 0.1)
6.2 x 10-9
1.86 X 10-11
2-Aminocthanol
HOCH,CH,NH
9.498
3.18 X 10-10
(ethanolamine)
4.70 (NH3) (20°)
9.97 (OH) (20°)
2.0 X 10-3
1.05 x 10-10
2-Aminophenol
`NH
Ammonia
NH
9.245
5.69 х 10-10
NH
NH
CHCH,CH,CH,NHC
1.823 (CO,H)
8.991 (NH,)
(12.1) (NH,) ( = 0.1)
1.50 x 10-2
Arginine
1.02 X 10-9
8 x 10-13
NH,
2.31
4.9 x 10-3
8.9 x 10-8
1.3 x 10-12
Arsenic acid
но-As — ОН
7.05
(hydrogen arsenate)
11.9
OH
Arsenious acid
As(OH);
9.29
5.1 X 10-10
(hydrogen arsenite)
NH: 0
||
CHCH,CNH,
co,H
Asparagine
2.16 (CO,H) (р. %3D0.1)
8.73 (NH;) (µ. - 0.1)
6.9 X 10-3
1.86 x 10-9.
*Each acid is written in its protonated form. The acidic protons are indicated in bold type.
tpK, values refer to 25°C and zero ionic strength unless otherwise indicated. Values in parentheses are considered to be less
reliable. Data are from A. E. MartelI, R. M. Smith, and R. J. Motekaitis, NIST Database 46 (Gaithersburg, MD: National Instinute
zdards and Technology, 2001).
FT'ne accurate way to calculate K, for the conjugate base is pK, = 13.995 - pK, and K, = 10-pks,](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F20df1440-0731-46f5-a797-02dbcb88e2ac%2F8b99b1af-f955-4f33-b158-ce80b09a95af%2F1lltz8r_processed.png&w=3840&q=75)
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