19. Which of the following is not a conjugate acid-base pair? A) H2O, HO- B) H2O, H3O+ C) HSO4-, H2SO4 D) -OH, O2- E) NO3-, NO2-
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A conjugate acid-base pair consists of two species that differ by the presence or absence of a proton (H⁺). The acid can donate a proton to become its conjugate base, and the base can accept a proton to become its conjugate acid. Show more…
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