15.93 Classify each of the following species as a Lewis acid or a Lewis base: (a) CO2, (b) H₂O, (c) I, (d) SO2, (e) NH3, (f) OH, (g) H+, (h) BC13.
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.
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A Lewis acid is a chemical species that is deficient in electrons and can accept an electron pair(s).
Some examples of electron-deficient species that acts as Lewis acids are;
(i): Positively charged species like NH4+, H3O+, etc.
(ii): species having vacant d-orbital like molecules of 3rd group or higher e.g. electron-deficient molecules made from S, P, etc.
(iii): Molecules in which the central atom is attached to highly electronegative elements line O that can give sufficient partial positive charge to the central atom to accept an electron pair.
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