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Question 67

Multiple Choice

Given: Given:       Pb<sup>2+</sup> (aq​) + 2e<sup>-</sup> <sup> </sup>  Pb(s) ; E​º = -0.13 V What is the standard cell potential for the following reaction? 2Cr(s) + 3Pb<sup>2+</sup> (​aq​) → 3Pb(s​) + 2Cr<sup>3+</sup> (aq)  A) -0.87V B)    C) -0.61V D) 0.61V E) 0.87V Given:       Pb<sup>2+</sup> (aq​) + 2e<sup>-</sup> <sup> </sup>  Pb(s) ; E​º = -0.13 V What is the standard cell potential for the following reaction? 2Cr(s) + 3Pb<sup>2+</sup> (​aq​) → 3Pb(s​) + 2Cr<sup>3+</sup> (aq)  A) -0.87V B)    C) -0.61V D) 0.61V E) 0.87V Given:       Pb<sup>2+</sup> (aq​) + 2e<sup>-</sup> <sup> </sup>  Pb(s) ; E​º = -0.13 V What is the standard cell potential for the following reaction? 2Cr(s) + 3Pb<sup>2+</sup> (​aq​) → 3Pb(s​) + 2Cr<sup>3+</sup> (aq)  A) -0.87V B)    C) -0.61V D) 0.61V E) 0.87V
Pb2+ (aq​) + 2e-
Given:       Pb<sup>2+</sup> (aq​) + 2e<sup>-</sup> <sup> </sup>  Pb(s) ; E​º = -0.13 V What is the standard cell potential for the following reaction? 2Cr(s) + 3Pb<sup>2+</sup> (​aq​) → 3Pb(s​) + 2Cr<sup>3+</sup> (aq)  A) -0.87V B)    C) -0.61V D) 0.61V E) 0.87VPb(s) ; E​º = -0.13 V
What is the standard cell potential for the following reaction?
2Cr(s) + 3Pb2+ (​aq​) → 3Pb(s​) + 2Cr3+ (aq)


A) -0.87V
B) Given:       Pb<sup>2+</sup> (aq​) + 2e<sup>-</sup> <sup> </sup>  Pb(s) ; E​º = -0.13 V What is the standard cell potential for the following reaction? 2Cr(s) + 3Pb<sup>2+</sup> (​aq​) → 3Pb(s​) + 2Cr<sup>3+</sup> (aq)  A) -0.87V B)    C) -0.61V D) 0.61V E) 0.87V
C) -0.61V
D) 0.61V
E) 0.87V

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