Table 4.1 pk, Values for Some Organic and Inorganic Acids Acld Formula PK. Conjugate Base CH,CH, Weaker Ethane CH,CH, 51 Stronger conjugate base acid Ethylene CH,=CH, 44 CH=CH Ammonia NH, 38 NH, Hydrogen H, 35 H Acetylene HC=CH 25 HC=C CH,CH,OH CH,CH,0 Ethanol 15.9 Water H,0 15.7 но CH,NH, Methylammonlum lon 10.64 CH,NH, Bicarbonate lon HCO, 10.33 co,?- CH,0 Phenol CH,OH 9.95 Ammontum fon NH, 9.24 NH, Hydrogen sulfide H,S 7.04 HS Pyridinlum C,H,NH 5.2 C,H,N Benzoie acid CH,COOH 4.19 CH,COO Hydrogen fluoride HF 3.2 F- Stronger acid Weaker Phosphorie acid H,PO, 2,1 H,PO, conjugate base p-Toluenesulfonic acid CH,C,H,SO,H CH,C,H,SO, 0.7 Nitric acid HNO, -1.5 NO, Hydronium ion H,0* -1.74 H,0 Sulfuric acid H,SO, -5.2 HSO, Hydrogen chloride HCI -7 CI Hydrogen bromlde HBr -8 Br Hydrogen lodide HI -9.9 NH, CH,CO- OH-
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.
Arrange the compounds in each set in order of increasing base strength. consult
Table 4.1 for pKa values of the conjugate acid of each base.
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