Question 6 6) 5 H+ + 3 HNO2 + Cr2022 -> 2 Cr3+ + 3 NO3 + 4 H20 identify as the oxidizing agent, the reducing agent or neither H+ = neither HNO2 = reducing agent Cr20,2- = oxidizing agent How many electrons are transferred?= 6 Question 7 7) Pb + PbO2 + 2 HSO4 + 2H+ -> 2 PbSO4 + 2H20 identify as the oxidizing agent, the reducing agent or neither Pb = PbO2 HSO4 = 1 HT= How many electrons are transferred? Question 8 8) 55 +6 KNO3 + 2 CaCO3 ->3 K2SO4 + 2 CaSO4 + CO2 +3 N2 identify as the oxidizing agent, the reducing agent or neither S = = KNO3 CaCO3= How many electrons are transferred? Question 9 9) 6H+ + 5 H202 + 2 MnO4 -> 2 Mn2+ + 5 O2 + 8 H20 identify as the oxidizing agent, the reducing agent or neither H+ = H2021 = Mn04 How many electrons are transferred? Question 10 10) 4 Au + 8 KCN + O2 + 2 H2O -> 4 KAu(CN)2 + 4 KOH identify as the oxidizing agent, the reducing agent or neither Au = KCN = 02 = H20 How many electrons are transferred