Students misconceptions on the concept of chemical equilibrium

The purpose of this study was lo detemıine studcnts’ misconceptions regarding the concepts of Chemical equilibrium. To diagnose students' misconceptions in this area, a vvrilten test was adnıinistercd to 216 I lth grade high school sludents after thcir formal elass sehedule. The original test was developed by Hackling and Garnett, 1984 and translated and adopted into Turkish by the authors. The test included 47 nıultiple choice and true-false ilems and its reliability coefficient \vas found to be 0,87. An intervievv vvas also conducted with 20 sludents to establish their reasons for misconception with the open-ended questions. Analysis of responses revealed vvidespread misconceptions among sludents in the areas related to (1) approaclıes to Chemical equilibrium, (2) charactcristics of Chemical equilibrium, (3) changiııg Chemical equilibrium conditions, and (4) adding a catalyst