Given: W³⁺(aq)+ 3e^- W(s); E° = 2.72 V

question 19

Multiple Choice

Given:
W³⁺(aq) + 3e^- W(s) ; E° = 2.72 V
Pb²⁺(aq) + 2e^- Pb(s) ; E° = -0.13 V
Ni²⁺(aq) + 2e^- Ni(s) ; E° = -0.23 V
Cd²⁺(aq) + 2e^- Cd(s) ; E° = -0.40 V
Zn²⁺(aq) + 2e^- Zn(s) ; E° = -0.76 V
Al³⁺(aq) + 3e^- Al(s) ; E° = -1.66 V
Mg²⁺(aq) + 2e^- Mg(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?

• A)Cd
• B)Pb
• C)Al
• D)Zn
• E)Mg

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Definitions:

Sample

A subset of a larger population selected for measurement or observation, representative of the whole.

Descriptive Statistics

Statistical methods that summarize and describe the features of a dataset through measures such as mean, median, and mode.

Population

The entire group of individuals or instances about whom the data is collected for a statistical study.

Elements

Basic or essential components, substances, or constituents of a complex form.