question_answer 1)

Using stock notation, represent the following compounds \[HAuC{{l}_{4}},T{{l}_{2}}O,F{{e}_{2}}{{O}_{3}},CuI,CuO,MnO\] and \[Mn{{O}_{2}}\].

Answer:

Formula Chemical name of compound Oxidation state of metal Stock notation \[HAuC{{l}_{4}}\] Chloroauric acid \[Au\left( +3 \right)\] \[HAu\left( III \right)\text{ }C{{l}_{4}}\] \[T{{l}_{2}}O\] Thallous oxide \[Tl\text{ }\left( +1 \right)\] \[T{{l}_{2}}\left( I \right)O\] \[FeO\] Ferrous oxide \[Fe\text{ }\left( +2 \right)\] \[Fe\left( II \right)O\] \[F{{e}_{2}}{{O}_{3}}\] Ferric oxide \[Fe\text{ }\left( +3 \right)\] \[F{{e}_{2}}\left( III \right){{O}_{3}}\] \[CuI\] Cuprous iodide \[Cu\text{ }\left( +1 \right)\] \[Cu\left( I \right)\text{ }I\] \[CuO\] Cupric oxide \[Cu\left( +2 \right)\] \[Cu\left( II \right)O\] \[MnO\] Manganese oxide \[Mn\text{ }\left( +2 \right)\] \[Mn\left( II \right)O\] \[Mn{{O}_{2}}\] Manganese dioxide \[Mn\text{ }\left( +4 \right)\] \[Mn\left( IV \right)\text{ }{{\text{O}}_{2}}\]