Select the Redox Reactions:
A) Mg + 2H+--> Mg2+ +H2(g)
B) K2CO3(aq) + Sr(NO3)2(aq)--> SrCO3(s) + 2KNO3(aq)
C) 2OH- + 2ClO-2 --> ClO2- + ClO3- + H2O
D) H+ + OH- --> H2O
E) KSCN (aq) + Fe(NO3)3(aq) --> FeSCN2+(aq) + KNO3 (aq) + 2NO3- (aq)
F) AgCl(s) +2NH3(aq) --> Ag(NH3)2+ (aq) +Cl- (aq)
increase in oxidation number - oxidation
decrease in oxidation number - reduction
Select the Redox Reactions: A) Mg + 2H+--> Mg2+ +H2(g) B) K2CO3(aq) + Sr(NO3)2(aq)--> SrCO3(s) +...
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)
Classify the half‑reactions as reduction half‑reactions or oxidation half‑reactions. H2(g)⟶2H+(aq)+2e−H2(g)⟶2H+(aq)+2e− 12O2(g)+2H+(aq)+2e−⟶H2O(g)12O2(g)+2H+(aq)+2e−⟶H2O(g) Cd(s)+2OH−(aq)⟶Cd(OH)2(s)+2e−Cd(s)+2OH−(aq)⟶Cd(OH)2(s)+2e− 2NiO(OH)(s)+2H2O(l)+2e−⟶2Ni(OH)2(s)+2OH−(aq)2NiO(OH)(s)+2H2O(l)+2e−⟶2Ni(OH)2(s)+2OH−(aq) Fe(s)⟶Fe2+(aq)+2e−Fe(s)⟶Fe2+(aq)+2e− oxidation reduction reduction oxidation reduction
Which of the reactions involving metal ions (Equations 1A – 6B ) represent redox reaction(s)? Write down the entire equation(s) AS WELL AS their corresponding balanced oxidation half-reaction(s) AND reduction half-reaction(s). Ag+(aq)+ HCl(aq)+ H2O(l) -> AgCl(s, white)+ H3O+(aq) Eq. 1A AgCl(s)+ 2NH3(aq) -> [Ag(NH3)2]+(aq)+ Cl–(aq) Eq. 2A Fe3+(aq)+ 3NH3(aq)+ 3H2O(l) -> Fe(OH)3(s)+ 3NH4(aq) Eq. 3A Fe3+(aq)+ 6SCN–(aq) -> Fe(SCN)63–(aq, blood-red) Eq. 4A Co2+(aq)+ 7NO2–(aq)+ 3K+(aq)+ 2H3O+(aq) -> NO(g)+ 3H2O(l)+ K3[Co(NO2)6](s, yellow) Eq. 6A 2 NO(g, colorless)+ O2(g) →2NO2(g, red-brown) Eq....
Write the complete ionic equation and the net ionic equation for each of the reactions: Co(NO3)2(aq) + K2CO3(aq) --> CoCO3(s) + 2KNO3(aq) AgNO3(aq) + CsI(aq) ---> AgI(s) + CsNO3(aq) KHCO3(aq) + KOH(aq) --> K2CO3(aq) + H2O(l) H2SO4(aq) + 2NH3(aq) --> (NH4)2SO4(aq) 3Mg(s) + 2FeCl3(aq) --> 3MgCl2(aq) + 2Fe(s)
help with thes 12. In the reaction, K2SO4(99) + Ba(NO3)2(aq) + BaSO4(s) + 2 KNO3(aq), which ions are the spectator ions? a. Ba2+ and SO42- b. Ba2+ and K+ c. Ba2+ and NO3 d. K+ and SO42- e. K+ and NO3 13 Which is the net ionic equation for the reaction which takes place when HCl(ag) is added to KOH(aq)? a. HCl(aq) + KOH(99) KCl(aq) + H2O(1) b. H(aq) + OH(aq) + H2O(1) c. HCl(aq) + OH(aq) + Cl(aq) +...
Using standard reduction potential in aqueous solutions at 25c Table, which substance is most likely to be oxidised by O2 (g) in acidic aqueous solution? Select one: a. Br2 (l) b. Br- (aq) c. Ni2+ (aq) d. Ag (s) e. Cu2+ (aq) Cathode (Reduction) Half-Reaction Standard Potential E° (volts) Li+(aq) + e- -> Li(s) -3.04 K+(aq) + e- -> K(s) -2.92 Ca2+(aq) + 2e- -> Ca(s) -2.76 Na+(aq) + e- -> Na(s) -2.71 Mg2+(aq) + 2e- -> Mg(s) -2.38 Al3+(aq)...
What element is being oxidized in the following redox reaction? Mg2+(aq) + NH4+(aq) → Mg(s) + NO3(aq) A. O B. H C. N D. Mg
Balance Redox Equations (Acidic Solutions) show steps please. 1. HgS (s) + NO3^- (aq) + Cl^- (aq) = HgCl4^2- (aq) + NO (g) + S (s) 2. Fe^2+ (aq) + MnO4^- (aq) = Fe^3+ (aq) + Mn^2+ (aq) 3. BiO3^- (aq) + Mn^2+ (aq) = MnO4^- (aq) + Bi^3 (aq) 4. NiO2 (s) + Ag (s) = Ni^2+ (aq) + Ag^+ (aq) 5. IO3^- (aq) + I^- (aq) =I2 (s) 6. Zn (s) + H2SO4 (aq) = Zn^2+ (aq) +...
uestion 20 of 24 > Classify each of these reactions. precipitation redor Pb(NO3)2(aq) + 2 KCl(aq) — PbCL,(s) + 2 KNO3(aq) CH,(g) + 30,(g) 200,(8) + 2H,O(1) 2 AgNO, (aq) + Zn(s) — Zn(NO3), (aq) + 2 Ag(s) 2 KOH(aq) + H,SO, (aq) — K, SO (aq) + 2 H2O(1) precipitation acid-base neutralization Answer Bank redor acid base neutralization ition precipitation wbout uscare s e MacBook Pro Q Search or enter website name
(aq) (1) Mg(OH)2 is partially dissolved in water: Mg(OH), (s) = Mg2+ (aq) + 2OH Write the Kop expression for Mg(OH)2 : Kp = (2) Solid AgCl is partially dissolved in water: AgCl 2 Ag+ + CI''. If the molar solubility is known as [Ag +) = [CI''] = 1.3x 10 M, AgCl Kip =- (a) 1.3 x 10 (b) 1.69 x 10-10 (c) 2.6 x 10 (d) none of these (3) At 25 °C, the solubility of solid AgCl...