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Given: W3+(aq)+ 3e- W(s); E° = 2.72 V

question 19

Multiple Choice

Given:
W3+(aq) + 3e- Given: W<sup>3+</sup>(aq) + 3e<sup>-</sup>  W(s) ; E° = 2.72 V Pb<sup>2+</sup>(aq) + 2e<sup>-</sup>  Pb(s) ; E° = -0.13 V Ni<sup>2+</sup>(aq) + 2e<sup>-</sup>  Ni(s) ; E° = -0.23 V Cd<sup>2+</sup>(aq) + 2e<sup>-</sup>  Cd(s) ; E° = -0.40 V Zn<sup>2+</sup>(aq) + 2e<sup>-</sup>  Zn(s) ; E° = -0.76 V Al<sup>3+</sup>(aq) + 3e<sup>-</sup>  Al(s) ; E° = -1.66 V Mg<sup>2+</sup>(aq) + 2e<sup>-</sup>  Mg(s) ; E° = -2.38 V Under standard-state conditions,which of the following metals will reduce W<sup>3+</sup> to W but will not reduce Ni<sup>2+</sup> to Ni? A) Cd B) Pb C) Al D) Zn E) MgW(s) ; E° = 2.72 V
Pb2+(aq) + 2e- Given: W<sup>3+</sup>(aq) + 3e<sup>-</sup>  W(s) ; E° = 2.72 V Pb<sup>2+</sup>(aq) + 2e<sup>-</sup>  Pb(s) ; E° = -0.13 V Ni<sup>2+</sup>(aq) + 2e<sup>-</sup>  Ni(s) ; E° = -0.23 V Cd<sup>2+</sup>(aq) + 2e<sup>-</sup>  Cd(s) ; E° = -0.40 V Zn<sup>2+</sup>(aq) + 2e<sup>-</sup>  Zn(s) ; E° = -0.76 V Al<sup>3+</sup>(aq) + 3e<sup>-</sup>  Al(s) ; E° = -1.66 V Mg<sup>2+</sup>(aq) + 2e<sup>-</sup>  Mg(s) ; E° = -2.38 V Under standard-state conditions,which of the following metals will reduce W<sup>3+</sup> to W but will not reduce Ni<sup>2+</sup> to Ni? A) Cd B) Pb C) Al D) Zn E) MgPb(s) ; E° = -0.13 V
Ni2+(aq) + 2e- Given: W<sup>3+</sup>(aq) + 3e<sup>-</sup>  W(s) ; E° = 2.72 V Pb<sup>2+</sup>(aq) + 2e<sup>-</sup>  Pb(s) ; E° = -0.13 V Ni<sup>2+</sup>(aq) + 2e<sup>-</sup>  Ni(s) ; E° = -0.23 V Cd<sup>2+</sup>(aq) + 2e<sup>-</sup>  Cd(s) ; E° = -0.40 V Zn<sup>2+</sup>(aq) + 2e<sup>-</sup>  Zn(s) ; E° = -0.76 V Al<sup>3+</sup>(aq) + 3e<sup>-</sup>  Al(s) ; E° = -1.66 V Mg<sup>2+</sup>(aq) + 2e<sup>-</sup>  Mg(s) ; E° = -2.38 V Under standard-state conditions,which of the following metals will reduce W<sup>3+</sup> to W but will not reduce Ni<sup>2+</sup> to Ni? A) Cd B) Pb C) Al D) Zn E) MgNi(s) ; E° = -0.23 V
Cd2+(aq) + 2e- Given: W<sup>3+</sup>(aq) + 3e<sup>-</sup>  W(s) ; E° = 2.72 V Pb<sup>2+</sup>(aq) + 2e<sup>-</sup>  Pb(s) ; E° = -0.13 V Ni<sup>2+</sup>(aq) + 2e<sup>-</sup>  Ni(s) ; E° = -0.23 V Cd<sup>2+</sup>(aq) + 2e<sup>-</sup>  Cd(s) ; E° = -0.40 V Zn<sup>2+</sup>(aq) + 2e<sup>-</sup>  Zn(s) ; E° = -0.76 V Al<sup>3+</sup>(aq) + 3e<sup>-</sup>  Al(s) ; E° = -1.66 V Mg<sup>2+</sup>(aq) + 2e<sup>-</sup>  Mg(s) ; E° = -2.38 V Under standard-state conditions,which of the following metals will reduce W<sup>3+</sup> to W but will not reduce Ni<sup>2+</sup> to Ni? A) Cd B) Pb C) Al D) Zn E) MgCd(s) ; E° = -0.40 V
Zn2+(aq) + 2e- Given: W<sup>3+</sup>(aq) + 3e<sup>-</sup>  W(s) ; E° = 2.72 V Pb<sup>2+</sup>(aq) + 2e<sup>-</sup>  Pb(s) ; E° = -0.13 V Ni<sup>2+</sup>(aq) + 2e<sup>-</sup>  Ni(s) ; E° = -0.23 V Cd<sup>2+</sup>(aq) + 2e<sup>-</sup>  Cd(s) ; E° = -0.40 V Zn<sup>2+</sup>(aq) + 2e<sup>-</sup>  Zn(s) ; E° = -0.76 V Al<sup>3+</sup>(aq) + 3e<sup>-</sup>  Al(s) ; E° = -1.66 V Mg<sup>2+</sup>(aq) + 2e<sup>-</sup>  Mg(s) ; E° = -2.38 V Under standard-state conditions,which of the following metals will reduce W<sup>3+</sup> to W but will not reduce Ni<sup>2+</sup> to Ni? A) Cd B) Pb C) Al D) Zn E) MgZn(s) ; E° = -0.76 V
Al3+(aq) + 3e- Given: W<sup>3+</sup>(aq) + 3e<sup>-</sup>  W(s) ; E° = 2.72 V Pb<sup>2+</sup>(aq) + 2e<sup>-</sup>  Pb(s) ; E° = -0.13 V Ni<sup>2+</sup>(aq) + 2e<sup>-</sup>  Ni(s) ; E° = -0.23 V Cd<sup>2+</sup>(aq) + 2e<sup>-</sup>  Cd(s) ; E° = -0.40 V Zn<sup>2+</sup>(aq) + 2e<sup>-</sup>  Zn(s) ; E° = -0.76 V Al<sup>3+</sup>(aq) + 3e<sup>-</sup>  Al(s) ; E° = -1.66 V Mg<sup>2+</sup>(aq) + 2e<sup>-</sup>  Mg(s) ; E° = -2.38 V Under standard-state conditions,which of the following metals will reduce W<sup>3+</sup> to W but will not reduce Ni<sup>2+</sup> to Ni? A) Cd B) Pb C) Al D) Zn E) MgAl(s) ; E° = -1.66 V
Mg2+(aq) + 2e- Given: W<sup>3+</sup>(aq) + 3e<sup>-</sup>  W(s) ; E° = 2.72 V Pb<sup>2+</sup>(aq) + 2e<sup>-</sup>  Pb(s) ; E° = -0.13 V Ni<sup>2+</sup>(aq) + 2e<sup>-</sup>  Ni(s) ; E° = -0.23 V Cd<sup>2+</sup>(aq) + 2e<sup>-</sup>  Cd(s) ; E° = -0.40 V Zn<sup>2+</sup>(aq) + 2e<sup>-</sup>  Zn(s) ; E° = -0.76 V Al<sup>3+</sup>(aq) + 3e<sup>-</sup>  Al(s) ; E° = -1.66 V Mg<sup>2+</sup>(aq) + 2e<sup>-</sup>  Mg(s) ; E° = -2.38 V Under standard-state conditions,which of the following metals will reduce W<sup>3+</sup> to W but will not reduce Ni<sup>2+</sup> to Ni? A) Cd B) Pb C) Al D) Zn E) MgMg(s) ; E° = -2.38 V
Under standard-state conditions,which of the following metals will reduce W3+ to W but will not reduce Ni2+ to Ni?


Definitions:

Inhalation

The act of taking air into the lungs through the nose or mouth, essential for oxygenating the blood and removing carbon dioxide.

Respiratory System

The network of organs and tissues that help you breathe, including the lungs, airways, and muscles.

Amphibian's

Vertebrates that can live both in water (using gills) and on land (using lungs), including frogs, salamanders, and newts.

Larynx

A part of the throat involved in breathing, producing sound, and protecting the trachea against food aspiration.

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