Diagnosing upper-secondary students’ critical thinking in organic chemistry: A three-tier multiple-choice test on hydrocarbonsMuntholib Muntholib, Hanifah Ariani Mahmudah, Munzil Munzil, M. Muchson and Nur Candra Eka SetiawanE3S Web Conf., 695 (2026) 05004DOI: https://doi.org/10.1051/e3sconf/202669505004