For the 1972 AP Chemistry Free Response section, students were required to answer several comprehensive problems covering core chemical principles. Detailed worked solutions for the entire set can be found in the Adrian Dingle's AP FRQ Archive.

Geometric Isomers: 1-bromo-2-chloroethene exists as cis and trans (or E and Z) isomers.

Cracking the Vault: A Comprehensive Guide to the 1972 AP Chemistry Free Response Answers

By: AP Curriculum Historians

The 1972 FRQs also tackled foundational concepts in energy and structural isomerism that remain core to the AP curriculum today, though often framed with different levels of mathematical complexity.