Brønsted-Lowry acids and bases

Define a Brønsted-Lowry acid as a proton donor and a base as a proton acceptor, and identify which species donates and which accepts a proton in a given acid-base equation, including reactions of ammonia and water.

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Cresolphthalein is manufactured from 2-methylphenol, $\ce{CH3C6H4OH}$ . State an equation that shows 2-methylphenol acting as a Brønsted–Lowry acid.

The structure of galantamine is shown below. (i) State the type of structural formula shown. (ii) State the name of the functional group that contains the nitrogen atom. (iii) Outline the effect of this functional group on the pH of water in which galantamine…

In which reaction does water behave as a Brønsted–Lowry acid? A. $\ce{H2O(l) + HCl(g) -> H3O+(aq) + Cl-(aq)}$ B. $\ce{H2O(g) + SO3(g) -> H2SO4(l)}$ C. $\ce{2H2O(l) -> 2H2(g) + O2(g)}$ D. $\ce{H2O(l) + NH3(aq) -> NH4+(aq) + OH-(aq)}$

Which reactions involve the transfer of a proton? I. $\ce{H2SO4(aq) + Zn(OH)2(s) -> ZnSO4(aq) + 2H2O(l)}$ II. $\ce{H2SO4(aq) + ZnCO3(s) -> ZnSO4(aq) + H2O(l) + CO2(g)}$ III. $\ce{H2SO4(aq) + Zn(s) -> ZnSO4(aq) + H2(g)}$ A. I and II only B. I and III only C. II…

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