Environmental Chemistry: JEE Main 2023 Chemistry question

Match List I with List II: .tg {border-collapse:collapse;border-spacing:0;} .tg td{border-color:black;border-style:solid;border-width:1px;font-family:Arial, sans-serif;font-size:14px; overflow:hidden;padding:10px 5px;word-break:normal;} .tg th{border-color:black;border-style:solid;border-width:1px;font-family:Arial, sans-serif;font-size:14px; font-weight:normal;overflow:hidden;padding:10px 5px;word-break:normal;} .tg .tg-c3ow{border-color:inherit;text-align:center;vertical-align:top} .tg .tg-7btt{border-color:inherit;font-weight:bold;text-align:center;vertical-align:top} .tg .tg-0pky{border-color:inherit;text-align:left;vertical-align:top} LIST I (Species) LIST II (Maximum allowed concentration in ppm in drinking water) A. $\mathrm{F^-}$ I. < 50 ppm B. $\mathrm{SO_4^{2-}}$ II. < 5 ppm C. $\mathrm{NO_3^-}$ III. < 2 ppm D. $\mathrm{Zn}$ IV. < 500 ppm Choose the correct answer from the options given below :