Which species is acting as an Arrhenius acid in the following equilibria? a. BH_

Question

Which species is acting as an Arrhenius acid in the following equilibria? a. BH_3 + NaH = BH_4^- + Na^+ b. AICI_3 + Cl^- = AICI_4 c. HNO_2 (aq) = NO_2 (aq) + H^+ (aq) a. H_2 O in equilibrium c b. NaH in equilibrium a c. AlCl_3 in equilibrium b d. HNO_2 in equilibrium c Identify the species that behave(s) as an acid in the following chemical reaction; consider both the forward and reverse reactions. CH_3 COO^- (aq) + NH_4^+ (aq) = NH_3 (aq) + CH_3 COOH (aq) a. CH_3 COOH (aq) b. CH_3 COO (aq) c. NH_3 (aq) d. NH_4^+ (aq)

Explanation / Answer

According to Arrhenius theory an acid is a material that can release a proton or hydrogen ion (H +). A base, or alkali, is a material that can donate a hydroxide ion (OH-).

1. HNO2 in equlibrium C

2. NH4+ and CH3COOH are acids. they give H+ IONS

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