H2S is a Brønsted acid, because it is donating a proton to the water. It is also a Lewis acid, because it is accepting a pair of electrons to form the O-H bond in hydronium ion. H2S has two lone pairs on the S , so it can also act as a Lewis base.Click to see full answer. Thereof, is H+ a Lewis acid or base?The Lewis definition encompasses the Bronsted-Lowry definition: In the reaction of H+ and OH-, H+ is a Lewis acid because it accepts an electron pair from the OH-. Since the OH- donates an electron pair we call it a Lewis base.Likewise, is HS an acid or base? The HS- gains the H+ ion, so it is the Brønsted-Lowry base. c. The HS- loses an H+ ion, so it is the Brønsted-Lowry acid. Beside above, is Lewis an acid or base? A Lewis acid is therefore any substance, such as the H+ ion, that can accept a pair of nonbonding electrons. In other words, a Lewis acid is an electron-pair acceptor. A Lewis base is any substance, such as the OH- ion, that can donate a pair of nonbonding electrons.Is H+ acidic or basic?If one of those ions is H+, the solution is acidic. The strong acid hydrogen chloride (HCl) is one example. If one of the ions is OH-, the solution is basic. An example of a strong base is sodium hydroxide (NaOH).
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