CHEM 345 Midterm: CHEM340 Washington State 1st Exam 05 02 08 15

36 views8 pages
15 Feb 2019
School
Department
Course
Professor

Document Summary

No aid is to be given to or received from another person. Model set and calculator may be used, but cannot be shared. Wsu id number at the top of each page. Hand in your exam papers to the proctor and sign your name at the end of the test. Q6 out of 12 out of 16 out of 18 out of 18 out of 16 out of 20. Question 1. (12 points) draw three (3) resonance structures for each of the following species. Clearly show the formal charge and lone pair electrons. Question 2. (16 points) list the pka values for the following acids. Give the products of the following acid-base reactions, and indicate which side is favored at equilibrium, calculate the equilibrium constant (show the pka values used for your calculation in the rationale section). Give the electronegativity values for the following elements. Draw the lewis structures for the following species and show the lone pair electrons.