-229 hydroxide ion OH(aq) 230 +110 219 sulfide H2s (g) 206 H2 Te(g) India +243 174 +209 (aq) -151 chloride InCI(s) (Ill) chloride InCl3(s) -537 141 oxide In2 O3(s) lodine l2(s) +116 l2(g) +261 I(g) iodate ion IO3(aq) +118 IF7g) 818 monochloride I(g) 18 +248 316 (n) carbonate FeCO3 (s) 741 +93 667 (n chloride FeCl2(s) +118 (Ill) chloride FeCl3(s) +142 (I)disulfide FeS2(s)(pyrite) (Ill hydroxide Fe(oh)3(s) +107 Feo(s)291 hydroiodic acid HI(aq) −55 +111 −52 iodide HI(g) +26 +207 +2 oxide (water) H2O(1) −286 +70 −237 H2O(g) −242 +189 −229 hydroxide ion OH− (aq) −230 −11 −157 peroxide H2O2(l) −188 +110 −120 selenide H2Se(g) +30 +219 +16 sulfide H2S (g) −21 +206 −34 telluride H2Te(g) +100 +229 +85 Indium In(s) 0 +58 0 In(g) +243 +174 +209 In3+ (aq) −105 −151 −98 (I) chloride InCl(s) −186 +95 −164 (III) chloride InC13(s) −537 +141 −462 oxide In2O3(s) −926 +104 −831 Iodine I2(s) 0 +116 0 I2(g) +62 +261 +19 I(g) +107 +181 +70 I − (aq) −55 +106 −52 iodate ion IO3 − (aq) −221 +118 −128 heptafluoride IF7(g) −944 +346 −818 monochloride ICl(g) +18 +248 −5 triodide ion I3 − (aq) −51 +239 −51 Iron Fe(s) 0 +27 0 Fe(g) +416 +180 +371 Fe 2+ (aq) −89 −138 −79 Fe3+ (aq) −49 −316 −5 (II) carbonate FeCO3(s) −741 +93 −667 (II) chloride FeCl2(s) −342 +118 −302 (III) chloride FeCl3(s) −399 +142 −334 (II) disulfide FeS2(s) (pyrite) −178 +53 −167 (II) hydroxide Fe(OH)2(s) −569 +88 −487 (III) hydroxide Fe(OH)3(s) −823 +107 −697 (II) oxide FeO(s) −272 +61 −251 (II)(III) oxide Fe3O4(s) −1118 +146 −1015