1st, 2nd and 4th are redox reaction shown below
Question 4/9 1 point Which of the following reactions are redox reactions? (please select all that...
Question 2 (1 point) E Which is not a redox equation? H2SO4 + Na2CO3? Na2SO4 + CO2 + H2O 2H2 + O2 ? 2H2O all are redox equation:s NaClO + KMnO4 ? NaClO3 + KM nO2 Save Previous Page Next Page Page 2 of 20 enoVO ?>< 1? ?+ 6 8 0
Which of the following are redox reactions? (select all that apply) S8 + O2 → SO3 NaBr + CaF2 → NaF + CaBr2 C3H6 + O2 → CO2 + H2O Mg + Cl2 → MgCl2
Question 14 Which of the reactions is/are redox reactions Question 14 1 pts Which of the reactions is/are redox reactions? 2Li(s) + Cl2(e) - 2LiCl(s) HCl(aq) + LiOH(aq) -> H2O(1) + LiCl(aq) KCIO3(s) →KCIO(s) + O2(g) Ca(NO3)2(aq) + Na2CO3(aq) - 2NaNO3(aq) +CaCO3(s) Ca(NO3)2(s) → 2NO3- (aq) + Ca2+(aq)
Balance the following redox reactions by balancing the half reactions and then combine the half reactions to get the overall balanced redox reaction with the lowest possible whole number coefficients. 1. Consider the following unbalanced redox reaction: MnO2(s) + BrO3−(aq) → MnO4−(aq) + Br−(aq) (a) Balance the corresponding half reactions in acidic conditions using the lowest possible whole number coefficients. (Enter coefficients for one and zero. Blanks will be marked incorrect.) MnO2(s) + H2O(l) + OH−(aq) + H+(aq) + e− → MnO4−(aq) + H2O(l) + OH−(aq) + H+(aq)...
Which of the following reactions are redox reactions? A) 4Li(s)+O2(g)→2Li2O(s) B)Mg(s)+Fe2+(aq)→Mg2+(aq)+Fe(s) C)Pb(NO3)2(aq)+Na2SO4(aq)→PbSO4(s)+2NaNO3(aq) D)HBr(aq)+KOH(aq)→H2O(l)+KBr(aq)
Balance the following Redox Equations in Basic Mediums. Redox Reactions in Basic Solution 1. Al(s) + MnO4¯ (aq) ¾® MnO2(s) + Al(OH)4¯ (aq) 2. NO2¯ (aq) + Al(s) ¾® NH3(aq) + AlO2¯ (aq) 3. Cr(s) + CrO42-(aq) ¾® Cr(OH)3(s) Note: Cr(OH)3 is found in BOTH half reactions! 4. Cl2(aq) + Br2(l) ¾® OBr¯ (aq) + Cl¯ (aq) 5. S8(aq) + MnO4¯ (aq) ¾® SO42-(aq) + MnO2(s)
Which of the following reactions are redox reactions? Check all that apply. Check all that apply. Al(s)+3A g + (aq)→A l 3+ (aq)+3Ag(s) S O 3 (g)+ H 2 O(l)→ H 2 S O 4 (aq) Ba(s)+C l 2 (g)→BaC l 2 (s) Mg(s)+B r 2 (l)→MgB r 2 (s)
QUESTION 17 Which of the following are redox reactions (select all that apply)? Mg + Cl2 - MgCl2 O H2+02-H20 u C3H6+02- CO2 + H20 UKCI + Ca(NO3)2 – KNO3 +CaCl2 QUESTION 18 Which element is being OXIDIZED in the following reaction? 4HCI + O2-2012 + 2H20 Hydrogen O Chlorine Oxygen O 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...
Which of the following are redox reactions? 2AgNO3(aq) + Cu(s) + Cu(NO3)2(aq) + 2Ag(s) 2Cus(s) + O2(g) + Cu(s) + SO2(g) 2AgNO3(aq) + Na2SO4(aq) + 2NaNO3(aq) + Ag2SO4(s) CO(g) + H2O(g) + CO2(g) + H2(g) CO2(g) + 2H20(1) + H30+(aq) + HCO3(aq)