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

question 98

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Given:
Zn2+(aq) + 2e- Given: Zn<sup>2+</sup>(aq) + 2e<sup>-</sup>  Zn(s) ; E° = -0.76 V 2H<sup>+</sup>(aq) + 2e<sup>-</sup>  H<sub>2</sub>(g) ; E° = 0.00 V I<sub>2</sub>(s) + 2e<sup>-</sup>  2I<sup>-</sup>(aq) ; E° = 0.54 V Br<sub>2</sub>(l) + 2e<sup>-</sup>  2Br<sup>-</sup>(aq) ; E° = 1.07 V Ni<sup>2+</sup>(aq) + 2e<sup>-</sup>  Ni(s) ; E° = -0.23 V Cu<sup>2+</sup>(aq) + 2e<sup>-</sup>  Cu(s) ; E° = 0.34 V Which of the following species will oxidize Ni but not Cu? A) Zn<sup>2+</sup> B) Br<sup>-</sup> C) H<sup>+</sup> D) I<sub>2</sub> E) ZnZn(s) ; E° = -0.76 V
2H+(aq) + 2e- Given: Zn<sup>2+</sup>(aq) + 2e<sup>-</sup>  Zn(s) ; E° = -0.76 V 2H<sup>+</sup>(aq) + 2e<sup>-</sup>  H<sub>2</sub>(g) ; E° = 0.00 V I<sub>2</sub>(s) + 2e<sup>-</sup>  2I<sup>-</sup>(aq) ; E° = 0.54 V Br<sub>2</sub>(l) + 2e<sup>-</sup>  2Br<sup>-</sup>(aq) ; E° = 1.07 V Ni<sup>2+</sup>(aq) + 2e<sup>-</sup>  Ni(s) ; E° = -0.23 V Cu<sup>2+</sup>(aq) + 2e<sup>-</sup>  Cu(s) ; E° = 0.34 V Which of the following species will oxidize Ni but not Cu? A) Zn<sup>2+</sup> B) Br<sup>-</sup> C) H<sup>+</sup> D) I<sub>2</sub> E) ZnH2(g) ; E° = 0.00 V
I2(s) + 2e- Given: Zn<sup>2+</sup>(aq) + 2e<sup>-</sup>  Zn(s) ; E° = -0.76 V 2H<sup>+</sup>(aq) + 2e<sup>-</sup>  H<sub>2</sub>(g) ; E° = 0.00 V I<sub>2</sub>(s) + 2e<sup>-</sup>  2I<sup>-</sup>(aq) ; E° = 0.54 V Br<sub>2</sub>(l) + 2e<sup>-</sup>  2Br<sup>-</sup>(aq) ; E° = 1.07 V Ni<sup>2+</sup>(aq) + 2e<sup>-</sup>  Ni(s) ; E° = -0.23 V Cu<sup>2+</sup>(aq) + 2e<sup>-</sup>  Cu(s) ; E° = 0.34 V Which of the following species will oxidize Ni but not Cu? A) Zn<sup>2+</sup> B) Br<sup>-</sup> C) H<sup>+</sup> D) I<sub>2</sub> E) Zn2I-(aq) ; E° = 0.54 V
Br2(l) + 2e- Given: Zn<sup>2+</sup>(aq) + 2e<sup>-</sup>  Zn(s) ; E° = -0.76 V 2H<sup>+</sup>(aq) + 2e<sup>-</sup>  H<sub>2</sub>(g) ; E° = 0.00 V I<sub>2</sub>(s) + 2e<sup>-</sup>  2I<sup>-</sup>(aq) ; E° = 0.54 V Br<sub>2</sub>(l) + 2e<sup>-</sup>  2Br<sup>-</sup>(aq) ; E° = 1.07 V Ni<sup>2+</sup>(aq) + 2e<sup>-</sup>  Ni(s) ; E° = -0.23 V Cu<sup>2+</sup>(aq) + 2e<sup>-</sup>  Cu(s) ; E° = 0.34 V Which of the following species will oxidize Ni but not Cu? A) Zn<sup>2+</sup> B) Br<sup>-</sup> C) H<sup>+</sup> D) I<sub>2</sub> E) Zn2Br-(aq) ; E° = 1.07 V
Ni2+(aq) + 2e- Given: Zn<sup>2+</sup>(aq) + 2e<sup>-</sup>  Zn(s) ; E° = -0.76 V 2H<sup>+</sup>(aq) + 2e<sup>-</sup>  H<sub>2</sub>(g) ; E° = 0.00 V I<sub>2</sub>(s) + 2e<sup>-</sup>  2I<sup>-</sup>(aq) ; E° = 0.54 V Br<sub>2</sub>(l) + 2e<sup>-</sup>  2Br<sup>-</sup>(aq) ; E° = 1.07 V Ni<sup>2+</sup>(aq) + 2e<sup>-</sup>  Ni(s) ; E° = -0.23 V Cu<sup>2+</sup>(aq) + 2e<sup>-</sup>  Cu(s) ; E° = 0.34 V Which of the following species will oxidize Ni but not Cu? A) Zn<sup>2+</sup> B) Br<sup>-</sup> C) H<sup>+</sup> D) I<sub>2</sub> E) ZnNi(s) ; E° = -0.23 V
Cu2+(aq) + 2e- Given: Zn<sup>2+</sup>(aq) + 2e<sup>-</sup>  Zn(s) ; E° = -0.76 V 2H<sup>+</sup>(aq) + 2e<sup>-</sup>  H<sub>2</sub>(g) ; E° = 0.00 V I<sub>2</sub>(s) + 2e<sup>-</sup>  2I<sup>-</sup>(aq) ; E° = 0.54 V Br<sub>2</sub>(l) + 2e<sup>-</sup>  2Br<sup>-</sup>(aq) ; E° = 1.07 V Ni<sup>2+</sup>(aq) + 2e<sup>-</sup>  Ni(s) ; E° = -0.23 V Cu<sup>2+</sup>(aq) + 2e<sup>-</sup>  Cu(s) ; E° = 0.34 V Which of the following species will oxidize Ni but not Cu? A) Zn<sup>2+</sup> B) Br<sup>-</sup> C) H<sup>+</sup> D) I<sub>2</sub> E) ZnCu(s) ; E° = 0.34 V
Which of the following species will oxidize Ni but not Cu?

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