A.硝酸见光分解:\(\rm{4HNO_{3} \overset{光照}{=} 4NO_{2}↑+O_{2}↑+2H_{2}O}\) |
B.往\(\rm{N}\) \(\rm{a}\)\(\rm{OH}\)溶液中通入过量二氧化硫:\(\rm{2N}\) \(\rm{a}\)\(\rm{OH+SO_{2}═N}\) \(\rm{a}\)\(\rm{{\,\!}_{2}SO_{3}+H_{2}O}\) |
C.\(\rm{SO_{2}}\)通入\(\rm{B}\) \(\rm{a}\)\(\rm{C}\) \(\rm{l}\)\(\rm{{\,\!}_{2}}\)溶液中产生白色沉淀:\(\rm{SO_{2}+B}\) \(\rm{a}\)\(\rm{CI_{2}+H_{2}O═B}\) \(\rm{a}\)\(\rm{SO_{3}↓+2HCI}\) |
D.\(\rm{F}\) \(\rm{e}\)与稀\(\rm{H_{2}SO_{4}}\)反应的化学方程式为:\(\rm{2F}\) \(\rm{e}\)\(\rm{+3H_{2}SO_{4}═F}\) \(\rm{e}\)\(\rm{{\,\!}_{2}(SO_{4})_{3}+3H_{2}↑}\) |