CHM 2210C    Chapter 2 Sample Exam Answers              


Chapter 2 Part H: Acid/Base Definitions   5 points


From Chapter 2 define the concept of acidity and basicity as covered in sections 2.7, 2.10, and 2.11:


  1. Bronsted-Lowry Acid : donates hydrogen ions (H+) or protons

           (proton donar)




2. Bronsted-Lowry Base: accepts hydrogen ions (H+) or protons

                   (proton acceptor)





     3. Lewis Acid:  A substance that accepts an electron pair.



     4. Lewis base: A substance that donates an electron pair





5. pKa  :  = - log Ka   (The smaller the pKa  the stronger the acid)