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Given: Zn2+(aq)+ 2e- Zn(s); E° = -0.76 V

question 100

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Given:
Zn2+(aq) + 2e- Given: Zn<sup>2+</sup>(aq) + 2e<sup>-</sup>  Zn(s) ; E° = -0.76 V Co<sup>2+</sup>(aq) + 2e<sup>-</sup>  Co(s) ; E° = -0.28 V Sn<sup>2+</sup>(aq) + 2e<sup>-</sup>  Sn(s) ; E° = -0.15 V Pb<sup>2+</sup>(aq) + 2e<sup>-</sup>  Pb(s) ; E° = -0.13 V Fe<sup>3+</sup>(aq) + e<sup>-</sup>  Fe<sup>2+</sup>(aq) ; E° = 0.77 V Under standard-state conditions,which of the following pairs of elements or ions is capable of reducing Sn<sup>2+</sup>(aq) to Sn(s) ? A) Zn(s) or Co(s)  B) Pb(s) or Fe<sup>2+</sup>(aq)  C) Co(s) or Pb(s)  D) Fe<sup>2+</sup>(aq) or Zn(s)  E) Zn<sup>2+</sup>(aq) or Co<sup>2+</sup>(aq) Zn(s) ; E° = -0.76 V
Co2+(aq) + 2e- Given: Zn<sup>2+</sup>(aq) + 2e<sup>-</sup>  Zn(s) ; E° = -0.76 V Co<sup>2+</sup>(aq) + 2e<sup>-</sup>  Co(s) ; E° = -0.28 V Sn<sup>2+</sup>(aq) + 2e<sup>-</sup>  Sn(s) ; E° = -0.15 V Pb<sup>2+</sup>(aq) + 2e<sup>-</sup>  Pb(s) ; E° = -0.13 V Fe<sup>3+</sup>(aq) + e<sup>-</sup>  Fe<sup>2+</sup>(aq) ; E° = 0.77 V Under standard-state conditions,which of the following pairs of elements or ions is capable of reducing Sn<sup>2+</sup>(aq) to Sn(s) ? A) Zn(s) or Co(s)  B) Pb(s) or Fe<sup>2+</sup>(aq)  C) Co(s) or Pb(s)  D) Fe<sup>2+</sup>(aq) or Zn(s)  E) Zn<sup>2+</sup>(aq) or Co<sup>2+</sup>(aq) Co(s) ; E° = -0.28 V
Sn2+(aq) + 2e- Given: Zn<sup>2+</sup>(aq) + 2e<sup>-</sup>  Zn(s) ; E° = -0.76 V Co<sup>2+</sup>(aq) + 2e<sup>-</sup>  Co(s) ; E° = -0.28 V Sn<sup>2+</sup>(aq) + 2e<sup>-</sup>  Sn(s) ; E° = -0.15 V Pb<sup>2+</sup>(aq) + 2e<sup>-</sup>  Pb(s) ; E° = -0.13 V Fe<sup>3+</sup>(aq) + e<sup>-</sup>  Fe<sup>2+</sup>(aq) ; E° = 0.77 V Under standard-state conditions,which of the following pairs of elements or ions is capable of reducing Sn<sup>2+</sup>(aq) to Sn(s) ? A) Zn(s) or Co(s)  B) Pb(s) or Fe<sup>2+</sup>(aq)  C) Co(s) or Pb(s)  D) Fe<sup>2+</sup>(aq) or Zn(s)  E) Zn<sup>2+</sup>(aq) or Co<sup>2+</sup>(aq) Sn(s) ; E° = -0.15 V
Pb2+(aq) + 2e- Given: Zn<sup>2+</sup>(aq) + 2e<sup>-</sup>  Zn(s) ; E° = -0.76 V Co<sup>2+</sup>(aq) + 2e<sup>-</sup>  Co(s) ; E° = -0.28 V Sn<sup>2+</sup>(aq) + 2e<sup>-</sup>  Sn(s) ; E° = -0.15 V Pb<sup>2+</sup>(aq) + 2e<sup>-</sup>  Pb(s) ; E° = -0.13 V Fe<sup>3+</sup>(aq) + e<sup>-</sup>  Fe<sup>2+</sup>(aq) ; E° = 0.77 V Under standard-state conditions,which of the following pairs of elements or ions is capable of reducing Sn<sup>2+</sup>(aq) to Sn(s) ? A) Zn(s) or Co(s)  B) Pb(s) or Fe<sup>2+</sup>(aq)  C) Co(s) or Pb(s)  D) Fe<sup>2+</sup>(aq) or Zn(s)  E) Zn<sup>2+</sup>(aq) or Co<sup>2+</sup>(aq) Pb(s) ; E° = -0.13 V
Fe3+(aq) + e- Given: Zn<sup>2+</sup>(aq) + 2e<sup>-</sup>  Zn(s) ; E° = -0.76 V Co<sup>2+</sup>(aq) + 2e<sup>-</sup>  Co(s) ; E° = -0.28 V Sn<sup>2+</sup>(aq) + 2e<sup>-</sup>  Sn(s) ; E° = -0.15 V Pb<sup>2+</sup>(aq) + 2e<sup>-</sup>  Pb(s) ; E° = -0.13 V Fe<sup>3+</sup>(aq) + e<sup>-</sup>  Fe<sup>2+</sup>(aq) ; E° = 0.77 V Under standard-state conditions,which of the following pairs of elements or ions is capable of reducing Sn<sup>2+</sup>(aq) to Sn(s) ? A) Zn(s) or Co(s)  B) Pb(s) or Fe<sup>2+</sup>(aq)  C) Co(s) or Pb(s)  D) Fe<sup>2+</sup>(aq) or Zn(s)  E) Zn<sup>2+</sup>(aq) or Co<sup>2+</sup>(aq) Fe2+(aq) ; E° = 0.77 V
Under standard-state conditions,which of the following pairs of elements or ions is capable of reducing Sn2+(aq) to Sn(s) ?


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