a. Choose the correct balanced equation for the following half-reaction. Cr20,2 (aq) → Cr³* (aq) (acid solution) O Cr20,2 (aq) + 7 H* (aq) → 2 Cr* (aq) + 7 H2O(£) + e- O Cr20;2 (aq) + 14 H* (aq) + 6 e¯ → 2 Cr** (aq) + 7 H20(!) OCr20,2 (aq) + 14 H* (aq) → 2 Cr*+ (aq) + 7 H2O(£) + 6 e- OC20, (aq) + 7 H* (aq) + e¯ → 2 Cr*+ (aq) + 7 H2O(L) b. Choose the correct balanced equation for the following half-reaction. CO; (aq) → Cl (aq) (acid solution) ОСОз (аq) + 3н" (аq) — СТ (аq) + 3 H,0(0) + 3 е- O CIO3- (aq) + 6 H* (aq) + 6 e¯ → Cl¯ (aq) + 3 H2O(e) ОССО3 (aq) + 3н" (аq) + 3 е — с (аq) + 3 Н,О(0) O CIO,- (aq) + 6 H* (aq) → Cl¯ (aq) + 3 H2O(€) c. Choose the correct balanced equation for the following half-reaction. N2H4 (aq) → N2(g) (basic solution) O N2H4 (aq) + 2 OH (aq) + 4 e¯ → N2(g) + 2 H2O(t) ON,H4 (aq) + 4 H* (aq) + 4 e¯ → N2(g) + 4 H2 (g) ON,H4 (aq) + 4 H*(aq) → N2(g) + 4 H2O(!) +4 e- O N2H4 (aq) + 4 OH (aq) → N2(g) + 4 H2O(4) + 4 e d. Choose the correct balanced equation for the following half-reaction. Cio (aq) + Cl (aq) (basic solution) O cio (aq) + H20(t) → Cl¯(aq) +2 OH¯(aq) +4 e O cio (aq) + 2 OH (aq) +2 e¯ → Cl¯(aq) + H2O(l) О СО (аq) + H-0(() + 2 е — С (aq) + 2 ОН (ад) О СО (аq) + 2 ОН (аq) — СГ (аq) + H;0(() + 4е

Write balanced half-reactions for the following redox reaction: H₂ AsO 4(aq) + 8 H* (aq) + 8 Cu* (aq) reduction: oxidation: 2+ AsH₂(g) + 4H₂O(l) +8 Cu²+ (aq)

Pt (s)I Co (aq). Co3+ Question 26 Which of the following is the correct line notation for the following redox reaction? Co (aq) + Ag (s)-Co2 (aq) + Ag* (aq) Ag (s) IAg* (aq) || Co2* (aq), (aq) | Pt (s) oAg* (aq) I Ag (s) || Co3+ (aq), Co2+ (aq) | Pt (s) Pt (s) | Co3+ (aq), Co2* (aq) || Ag (s) | Ag* (aq) (aq) || Ag (s) | Ag* (aq) Ag* (aq) | Ag (s)|| Co2+ (aq), Co3+ (aq) | Pt (s) Pt (s)I Co2+ (aq), Co (aq) || Ag* (aq) | Ag (s) OPt (s)I Co3+ (aq), Co2* (aq) || Ag* (aq) | Ag (s) O Ag (s) | Ag* (aq) || Co* (aq), Co²+ (aq) | Pt (s) AMoving to another question will save this response.

In the following UN-balanced redox reaction, which element is oxidized during the reaction? Cr(OH)3 (s) + Cu2+ (aq) → CrO42 (aq) + Cut (aq) H Cu O Cr 10000 Balance the following redox reaction under basic conditions: Cr(OH)3 (s) + Cu²+ (aq) → CrO42 (aq) + Cut (aq) How many electrons are transferred during the reaction? type your answer... electrons Balance the following redox reaction under basic conditions: Cr(OH)3 (s) + Cu²+ (aq) → CrO42 (aq) + Cut (aq) The hydroxide ion is on the reactant ✓side and and has a coefficient of 1

Balance the following reaction in basic solution. Ag(s) + Zn (aq) 21 Ag,O(aq) + Zn(s) Fill in the coefficients for the balanced overall equation. Ag + Zn2- OH vZn + Ag, 0 + H,O

Please answer the following question:

Ll.26.

Which reaction(s) can be identified as a redox reaction? CuO(s) + H₂SO4(aq) → CuSO4(aq) + H₂O(1) Cu(NO3)2(aq) + 2NaOH(aq) -> A →→ Cu(OH)₂(s) + 2NaNO3(aq) Cu(OH)2(s) CuO(s) + H₂O(g) CuSO4(aq) +Zn(s) → ZnSO4(aq) + Cu(s) Cu(s)+ 4HNO3(aq) - Cu(NO3)2(aq) + 2NO₂(aq) + 2H₂O(1)