Question

1) The net ionic equation for the reaction between aqueous nitric acid and aqueous sodium hydroxide is A) H+ (aq) + HNO3 (aq) + 2OH- (aq) → 2H20 (1) + NO3- (aq) B) HNO3 (aq) + NaOH(aq) → NaNO3(aq) + H20 (1) C) H+ (aq) + OH- (aq) + H2O (1) D) HNO3 (aq) + OH- (aq) + NO3- (aq) + H2O (1) E) H+ (aq) + Na+ (aq) + OH- (aq) → H20 (1) + Na+ (aq) 2) Which one of the following is a diprotic acid? A) nitric acid B) chloric acid C) phosphoric acid D) hydrofluoric acid E) sulfuric acid 3) Which one of the following is a triprotic acid? A) nitric acid B) chloric acid C) phosphoric acid D) hydrofluoric acid E) sulfuric acid 4) In which reaction does the oxidation number of oxygen increase? A) Ba(NO3)2 (aq) + K2504 (aq) → BaSO4(s) + 2KNO3 (aq) B) HCl(aq) + NaOH(aq) + NaCl (aq) + H20 (1) C) MgO (s) + H2O(l) + Mg(OH)2 (S) D) 2SO2 (g) + O2(g) → 2503 (g) E) 2H20 (1) + 2H2 (g) + 02 (g) 5) In which reaction does the oxidation number of hydrogen change? A) HCl(aq) + NaOH(aq) NaCl (aq) + H2O (1) B) 2Na (s) + 2H20 (1) ► 2NaOH(aq) + H2(g) C) CaO (s) + H2O (0) = Ca(OH)2 (s) D) 2HCIO4 (aq) + CaCO3 (s) + Ca(CIO4)2 (aq) + H20 () + CO2(g) E) SO2 (g) + H2O (1) H2SO3 (aq)

Answer 1

In ano 3 (as) thao (2) - Nat Nets + Hellel - HNO3 lag) + NaOH (as.) - Htz Not + nat tot a CHF 29.) + oHicape - net ionic Hey @ 103 de avertising option 6) is answer. Scanned with CamScanner