乙醛被溴水氧化的方程式是：CH3CHO+Br2+H2O---->CH3COOH+2HBr
Br2+H2O=HBr+HBrO生成的HBrO与乙醛发生了氧化反应：CH3CHO+HBrO=CH3COOH+HBr
Br2 + H2O + CH3CHO == CH3COOH + 2HBr
