XV Central-American and Caribbean XIII Chemistry Olympiad 2022

The XV Central-American and XIII Caribbean Chemistry Olympiad (OCCQ) was hosted by Cuba for the second time, on November 14 to 19, 2022, online at the University of Informatics Sciences, located in the municipality of La Lisa, Havana City. Up to four pre-university students and their two mentors composed the participant delegations. On this occasion, representatives of Costa Rica, Guatemala, Honduras, El Salvador, Venezuela, Panama, and Cuba were present. This has been the first olympiad with so many countries and students participating. The students demonstrated their knowledge of Chemistry by solving complex tasks in four exams about Organic, Inorganic, Analytical and Physical Chemistry. This contribution contains the questions and answers proposed by the Scientific Committee in their original Spanish version and English translations.