In the following reaction what is the undergoing oxidation? 4KO2(s) + 2CO2(g)--->2K2CO3(s) + 3O2(g) A. This is not an oxidation-reduction reaction B. O C. K
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In the following reaction what is the undergoing oxidation?
4KO2(s) + 2CO2(g)--->2K2CO3(s) + 3O2(g)
A. This is not an
B. O
C. K
D. C
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- Which of the following is an oxidation–reduction reaction?a. PbCO3(s) + 2HNO3(aq) → Pb(NO3)2(aq) + CO2(g) + H2O(l)b. Na2O(s) + H2O(l) → 2NaOH(aq)c. SO3(g) + H2O(l) → H2SO4(aq)d. CO2(g) + H2O(l) → H2CO3(aq)e. C2H4(g) + H2(g) → C2H6(g)The following skeletal oxidation-reduction reaction occurs under basic conditions. Write the balanced REDUCTION half reaction. F- + I2 I- + F2 ____________ -----> ___________ Reactants. Products.Complete the sentence: In the reaction below Sn2+ _____________. Sn2+ + 2Fe3+ ---> Sn4+ + 2Fe2+ A. gains electrons B. is reduced C. is oxidized D. is neither oxidized nor reduced
- Balance the following half-rxn by filling in the appropriate coefficients and # of electrons: Br2 → ____Br- + _35___e- Does this half reaction represent oxidation or reduction? How do you know?The following skeletal oxidation-reduction reaction occurs under acidic conditions. Write the balanced REDUCTION half reaction. Hg2+ + ZnZn2+ + Hg Reactants ProductsFor each of the following balanced oxidation–reductionreactions, (i) identify the oxidation numbers for all the elementsin the reactants and products and (ii) state the totalnumber of electrons transferred in each reaction.(a) I2O5(s) + 5 CO(g)---->I2(s) + 5 CO2(g)(b) 2 Hg2+(aq) + N2H4(aq)---->2 Hg(l) + N2(g) + 4 H+(aq)(c) 3 H2S(aq) + 2 H+(aq) + 2 NO3-(aq)----->3 S(s) +2 NO(g) + 4 H2O(l)
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