True. Higher the bond strength, lower will be the acidic strength. The acid strength increases as the experimental pKa values decrease in the following order: HF (pKa = 3.1) < HCl (pKa = -6.0) < HBr (pKa = -9.0) < HI (pKa = -9.5). HF is a strong acid. To determine: An explanation for the fact that HF is a weak acid, whereas HCl, HBr and HI is all strong acids. True. False. Languages.
The acidic strength of hydrogen halides (H − X) depends on their bond strength. True or false? True. True or false? H2SO4 is a strong acid. True or false? False. ... H2O is a strong acid. C2H4O2 is a strong acid. Math. HF is a weak acid, but very dangerous (you may hear it etches glass, that’s because the SiF bond is the strongest bond) HCl and the rest of them (HBr, HI) are all “strong acids” but HI is the strongest (see pKa’s below) Due to poor orbital overlap (Iodine is much larger than H, and therefore the electrons are not very well shared, which imparts an extremely ionic character to the molecule) HI is a strong acid. False. HCl, HBr, and HI are all strong acids, whereas HF is a weak acid. Arts and Humanities. True or false? Subjects. HNO3 is a strong acid. True or false? True. HBr is a strong acid.
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