The first question asked students to describe the differences between the terms "ionization energy" and "electron affinity."
The original 1972 AP Chemistry exam is copyrighted by the College Board. The following answers are provided for educational commentary and historical analysis based on declassified materials and retroactive scoring guidelines. They are not official College Board publications but are accurate to the chemistry of the era. 1972 ap chemistry free response answers
The exam also tested the types of isomerism possible when substituting one atom into ethane ( C2H6cap C sub 2 cap H sub 6 ) and ethene ( C2H4cap C sub 2 cap H sub 4 The first question asked students to describe the
Structural isomerism (e.g., 1-bromo-1-chloroethane vs. 1-bromo-2-chloroethane) and optical isomerism [9]. 1972 ap chemistry free response answers
