
18. Which statement about redox reactions is not comect? (a) During oxidation a substance loses electrons...
18) Which of the following is an acid-base reaction? A) Fe(s) + 2 AgNO3(aq) - 2 Ag(s) + Fe(NO3)2(aq) B) MgSO4(aq) + Ba(NO3)2(aq) -- Mg(NO3)2(aq) + Baso C) C(s) + O2(g) - CO2(g) (D) 2 HCIO 4(aq) + Ca(OH)2(aq) → 2 H2O(l) + Ca(C1O4)2 E) None of the above are acid base reactions. 1 Determine the oxidation state of P in PO 33-. A-3 B) 0 C) +6
(10 pts) Balance the following redox reactions by first separating the oxidation and reduction half-reactions. a. Cut (aq) + Fe (s) Fe3+ (aq) + Cu(s) b. Cu(s) + HNO3 (aq) Cu2+ (aq) + NO (g) (basic solution) c. NH(aq) + O2(g) → N03 (aq) + H2O(l) (acidic solution) d. Cd(s) + NiO(OH)(s) + Ca(OH)2(s) + Ni(OH)2(s) (Nicad battery) e. The oxidation of iodide ion (1) by permanganate ion (MnO4) in basic solution to yield molecular iodine (12) and manganese(IV) oxide...
for each reaction- classify as oxidation-reduction,acid-base
or precipitation
Classify each of the following reactions as oxidation-reduction, acid-base, or Note that in order to be a redox reaction, the oxidation number of an element must be different when it is a reactant than when it is a product. (1 point each) precipitation. Classification Reaction Number 24 Ca (s) +2 H2O ()- Ca(OH)2 (s) + H2 (g) 25 CdCl2 (aq)+ Na2S (aq)CdS (s) +2 NaCl (aq) Zn(OH)2 (s) + H2SO4 (aq)ZnSO4 (aq)...
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...
Which one of the following reactions is NOT a redox reaction? A. 3 Hg(l) + 2 Cr(NO3)3(aq) → 3 Hg(NO3)2(aq)+ 2 Cr(s) B. 2Ag(s) + 2HNO3(aq) → 2AgNO3 (aq) + H2 (g) C. 2 HClO4(aq) + CaCO3(s) → Ca(ClO4)2(aq) + H2O(l) + CO2(g) D. Fe2O3(s) + 3 CO(g) → 2 Fe(s) + 3 CO2(g) E. CH4(g) + 2 O2(g) → CO2(g) + 2 H2O(l)
Which of the following reactions is a redox reaction? (A) NH3(g) + H2O(l) NH4OH(aq) (B) 2 H2O(l) → H30* (aq) + OH- (aq) (C) Mg(OH)2(s) Mg* (aq) + 2 OH- (aq) (E) CO(g) + H2O(g) + CO2(g) + H2(g) (E) 3 HCl(aq) + Na3PO4(aq) H3PO4(aq) + 3 NaCl(aq)
0.960 grams of Ca(OH)2 is added to 50.0 mL of 0.480 M HNO3. What the result? (a) Ca(OH)2 is limiting and neutralizes some of the nitric acid leaving a solution that is 0.221 M HNO3 (b) Ca(OH)2 and HNO3 do not react. (c) The nitric acid is limiting and the Ca(OH)2 neutralizes all the nitric acid leaving a solution that is 0.0191 M Ca(OH)2 (d) The Ca(OH)2 exactly neutralizes all of the nitric acid e) none of the above
Redox Equations Which of the following reactions are redox reactions? Identify the substance oxidized, the substance reduced, the oxidizing agent, the reducing agent. 1.2 Mg(s) + O2(g) → 2 MgO (s) 2. H SO. (aq) + Al(OH) (aq) → Al(SO.) (aq) + H,O (1) 3. 2 Na (s) + H2O (1) ► 2 NaOH(aq) + H2(g) 4. Cao (s) + CO2(g) → Caco, (s) 5. AgNO, (aq) + NaCl (aq) ► AgCl(s) + NaNO, (aq) Identify the substance oxidized, the...
Below is a set of redox reactions. Assign oxidation numbers below each atom. Also determine the substance that is reduced, the substance that is oxidized, the oxidizing agent, and the reducing agent. (Note: Don’t worry about the stoichiometric coefficients; they don’t affect your calculation of oxidation states.) Atom/s that is/are reduced: Atom/s that is/are oxidized: Reducing agent: Oxidizing agent: Reactions Given: 2 C2H6(g) + 7 O2(g) → 4 CO2(g) + 6 H2O(g) C2H4(g) + 3O2(g) → 2 CO2(g) + 2...
Classify the following as acid-base reactions or oxidation-reduction reactions. (a) 3 HClO4(aq) + Fe(OH)3(s) → Fe(ClO4)3(aq) + 3 H2O(l) (b) HC2H3O2(aq) + NaHCO3(aq) → NaC2H3O2(aq) + CO2(g) + H2O(l) (c) 4 H2O(l) + 2 KMnO4(aq) → 2 MnO2(s) + 2 KOH(aq) + 3 H2O2(aq) (d) Cl2(g) + KOH(aq) → KClO(aq) + HCl(aq) (e) 2 Fe(s) + 3 NaOCl(aq) → Fe2O3(s) + 3 NaCl(aq) (f) CaC2(s) + 2 H2O(l) → C2H2(g) + Ca(OH)2(s) Explain your reasoning