Electrophilic aromatic substitution reaction will take place mainly in 3-position due to the electron-withdrawing carboxylic group; i.e. benzoic acid is meta directing.
electrophilic arOmATic subSTitUtiOn reaction Will tAkE Place MAInLy in 3-positIoN DuE To ThE Electron-wiTHdrawing carbOxylic GrouP; I.e. beNZoic Acid iS meta dIreCtIng.