Zadania z chemii IB HL

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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 name of the functional group that contains the nitrogen atom. (ii) Outline the effect of this functional group on the pH of water in which galantamine is dissolved, giving the direction of the change…

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. $\ce{CH3COOH(aq) + NH3(aq) -> CH3COONH4(aq)}$ II. $\ce{2CH3COOH(aq) + Mg(s) -> (CH3COO)2Mg(aq) + H2(g)}$ III. $\ce{CH3COOH(aq) + NaHCO3(s) -> CH3COONa(aq) + H2O(l) + CO2(g)}$ A. I and II only B. I and III…

Which term cannot describe the chloride ion, $\ce{Cl-}$ ? A. Lewis base B. ligand C. Brønsted–Lowry acid D. nucleophile