完成下列反應(yīng): (1)S+NaOH (2)I2+HNO3 (3)C+H2SO4(濃) (4)Br2+NaOH (5)Cl2+H2O (6)Si+NaOH+H2O
試用晶體場理論說明: (1)Cu(Ⅰ)無色,Cu(Ⅱ)顯色 (2)[Cr(H2O)6]3+(紫色),[Cr(NH3)2(H2O)4]3+(紫紅色),[Cr((NH3)3(H2O)3]3+(淺紅)