Determine the oxidation number of each clement in the R S following ions or compounds. 0...
1. Provide the oxidation number for each of the underlined elements in following compounds or ions: (6) a) H3AsO3 b) d) H4P207 C202² KCIO4 N2H4 2. Which one of the following is not a oxidation-reduction reaction? (2) A) 2H2(g) + O2(g) → 2H2O(1) B) Zn(s) + H2SO4(aq) → ZnSO4(aq) + H2(g) C) H2O(l) + NH3(g) → NH(aq) + OH(aq) D) FeSO4(aq) + K2Cr2OH(aq) + 7H2SO4(aq) → Cr2(SO4)3(aq) + 3Fe2(SO4)3(aq) + K2SO4(aq) + 7H2O(1) E) Cl2(g) +2KBr(aq) + Bra(l) + 2KCl(aq)...
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)...
Classify the half-reactions as reduction half-reactions or oxidation half-reactions. H(g)2 H (aq) +2e Answer Bank 0, (8)+2H (aq)+2e H,O(g) oxidation reduction Cd(s)+20H (aq) Cd(OH), (s) + 2 e 2 NiO (OH)(s)+2H,O(1)+2 e 2 Ni(OH), (s)+ 2 OH (aq) Fe(s)Fe (aq) +2 e
Classify the following reactions as precipitation reactions, oxidation-reduction reactions, or acid-base reactions. NaCl(aq) + AgNOg(aq) → NaNO3(aq) + AgCl(s) | | BaCl2(aq) + Na2so,(aq) → BaSO4(s) + 2NaCl(aq) 4Al(s)302(g) 2Al,03(s) 2Hgls)+O2(g) 2HgO(sZn(s) Cu2(aq) Zn2+(a)+Cu(s) Mg(OH)2(aq) + 2HCI(aq) → 2H20(l) + MgC12(aq) | | 3KOH(aq) + H,PO,(aq) → K,POdaq) + 31 120(l) Precipitation Oxidation-reduction Acid-base
Identify these reactions as combustion, direct combination, decomposition, displacement, acid-base or reduction-oxidation. Premise Response Drag and drop to match 1 2 B (s) + 3 F (g) → BF (g) A Displacement 2 SiO (s) + F (g) → SiF (s) + O (g) B Combustion 3 H (g) + S (s) → HS (g) C Direct combination 4 2 NaClO (s) → 2 NaCl (s) + 3 O (g) D Decomposition 5 HCl (aq) + NaOH (aq) → NaCl...
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
5. 2 points) Identify each of the following unbalanced reactions as belonging to one or more of the following categories: precipitation acid-base, or oxidation-reduction Type Reaction K SO, + Ba(NO) BaSO, + KNO T HCI + Zn → ZnCI+H HCI+ AgNO, → AgCl + HNO, HCI KOH → KCI HO Zn + Cuso. → ZnSO,+ Cu Nali,PO,+ NaOH → Na, PO, +1,0 Ca(OH), +H.SO. CASO, +11,0 BaCl,+ 11 SO. → BaSO, + HCI
the reaction tha undoxidation numbers to each element. Write the half-reactions. Label undergoes oxidation and reduction. Example 0 +2+5-2 0 +1+5-2 Oxidation M 20 Reduction-2H H) Cu (9) 1. nCu(No) Zn(NOs ondaton: Zn reduction 2. Na(s) + H2O → NaOH (aq) + H2 (g) Oxidation Na Na reducho 3. Br2(0 Nal NaBr 12(s) xidation uction 4. Cr (s) + Niso,-. CrSO4 + Ni (s) alon. on
1. Na (s) +Hg2+ Hg (l) Oxidation Reduction Hy+20 7Hta Net ionic 2. Zn (s) +H Oxidation Reduction Net ionic 2+112 CiHsOH + H t14-2+ H20 + CH3CO2H 3. Cr2O,2 Oxidation Reduction Net ionic -2 4. I +2S2032- S4O62- +1 Oxidation Reduction Net ionic NaOBr (aq) +NaBr (aq) 5. Br2 +NaOH (aq) Oxidation Reduction Net Ionic
29 to 35 hem. 103 Chapts 3&4 Test , What is the oxidation number of each mom in sodium hydrogen carbonate Na +1,H -1.C=+6,0 b. Na = +1.H=+1. C = -4.0--2 c. Nam +, H -1,C - 0 d. Na --1,H- +1.C-00--2 e. Na - OH-0,C-00-0 30. What base results when K, reacts with water a. H2O'(aq) b. KH(a) co(a) d. KOH(a) e. KO (4) 31. Zn reacts with hydrochloric acid. Zn(s) + 2 HCl(aq) - ZnCl(aq) + Hyg) What...