Based on the activity series, which one of the reactions below will occur spontaneously? A. Fe(s) + ZnCl 2(aq) ---> FeCl2 (aq) +Zn(s) B. Mn(s) + NiCl 2 (aq) ---> Mn Cl 2(aq) +Ni(s) C.Pb(s) +NiL2 (aq) ---> Pbl2 (aq) + Ni(s) D. SnBr2 (aq) + Cu(s) ---> CuBr2 (aq) + Sn (s) Explain for me please!

2. Identify the complete redox reaction for a Zn/Zn2+||Fe³+ Fe cell. 4 A. 3 Zn (s) + 2 Fe(s) 3 Zn2+ B. 3 Zn² (aq) + 2 Fe (s) (aq) + 2 Fe³+ (aq) 3 Zn (s) + 2 Fe³ (aq) ( C. Zn (s) + 3 Fe³+ (aq) →→→ Zn²+ (aq) + 3Fe (s) D. 3 Zn (s) +2 Fe³+ (aq) →→→→3 Zn² (aq) + 2 Fe(s) 3. Identify the complete redox reaction for a Zn Zn²+AgAg cell. A. Zn(s) + Ag(s) > Zn²¹ (aq) + Ag¹ (aq) B. Zu²¹ (aq) + Ag(s) →→→ Zn (s) + Ag' (aq) C. Zn(s) + 2 Ag (aq) Zn²¹ (aq) + 2 Ag (s) >

For a particular redox reaction, BrO−BrO− is oxidized to BrO−3BrO3− and Fe3+Fe3+ is reduced to Fe2+Fe2+. Complete and balance the equation for this reaction in basic solution. Phases are optional. balanced redox reaction: BrO−+Fe3+⟶BrO3-+Fe2+

18. In the reaction: 6 Mn²+ + 5 Cr2O72- + 22 H11 H₂O + 10 Cr³+ + 6 MnO4 Which one of the following statements is true? a. Mn²+ is the free agent in excess. b. The oxidation number of Cr changes from +6 to +3. c. The oxidation number of Cr changes from -2 to +3. d. The oxidation number of Mn changes from +2 to +5. e. The oxidation number of Mn changes from 0 to +7.

How many amperes are required to deposit 0.114 grams of zinc metal in 366 seconds, from a solution that contains Zn?+ ions . A

9. Given the activity series K > Na > Ca > Mg > Al > Sn > Cu > Ag, which of the following metals will reduce Cu2+? a. Sn b. Mg c. K e. all of the above d. Na

O D. SrHCI (aq) and H20 (1) E. SrO (s) and HCIO (aq) QUESTION 16 Which species is undergoing oxidation and which is undergoing reduction in the following redox reaction? 2 Al (5) + 3 Cu2* (aq) – 2 Al3* (aq) + 3 Cu (s) v Al A. oxidation v Cu B. reduction lick Save and Submit to save and submit. Click Save All Answers to save all answers. DELL

Assign oxidation  numbers  to  each  element.  Write  the  half - reactions.  Label  the  reaction that undergoes oxidation and reduction. Zn (s) + Cu(NO3)2 ----> Zn(NO3)2 + Cu (s)

7. Which of the following is the strongest reducing agent? Which of the following is the strongest reducing agent? Mg(s) Al(s) Mg2+(aq) Zn(s) Al3+(aq)

a. Balance the following equations. b. Identify oxidizing and reducing agents. c. Determine the oxidation numbers of the elements involved in the redox reaction. Zn(s) + CuSO4(aq) ---->    I2(s) + S2O32-(aq) -----> I-(aq) + S4O62-(aq)