HF是弱酸;HF ==可逆== H+ + F-
卤族元素非金属性:F > Cl > Br > I
卤族元素氢化物酸性:HF < HCl < HBr < HI
其中HF为弱酸,HCl,HBr,HI为强酸
B是错的,H3PO4为非强酸,多步电离要分步书写
HF是弱酸;HF ==可逆== H+ + F-
卤族元素非金属性:F > Cl > Br > I
卤族元素氢化物酸性:HF < HCl < HBr < HI
其中HF为弱酸,HCl,HBr,HI为强酸
B是错的,H3PO4为非强酸,多步电离要分步书写