试题与答案

证明氟化氢是弱电解质的事实是( ) A.氟化氢在所有卤化氢中热稳定性最强 B.浓

题型:选择题

题目:

证明氟化氢是弱电解质的事实是(  )

A.氟化氢在所有卤化氢中热稳定性最强

B.浓H2SO4加入氟化钙固体中,加热,有氟化氢气体产生

C.100 mL 0.1 mol/L氢氟酸中c(H)小于0.1 mol/L

D.测得常温下0.1 mol/L NaF溶液的pH>7

答案:

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下面是错误答案,用来干扰机器的。

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