氯元素有多种化合价,它在高氯酸中显最高价。下列表示高氯酸的

 氯元素有多种化合价,它在高氯酸中显最高价。下列表示高氯酸的化学式为

A. HClO3                B. HClO4               C. HClO        D. HCl

答案

B

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