
(a)
Interpretation:
If the given half reaction shows oxidation or reduction should be determined.
Concept Introduction:
In a
When a species loss electron/s, its oxidation state increases thus, increase in oxidation state is oxidation similarly, when a species gains electron/s, its oxidation state decreases thus, decrease in oxidation state is reduction.
In a cell, the oxidation takes place at anode electrode and reduction takes place at cathode electrode.
(b)
Interpretation:
The substance that oxidized or reduced should be identified.
Concept Introduction:
In a chemical reaction, oxidation is defined as loss of electron/s and reduction is defined as gain of electron/s.
When a species loss electron/s, its oxidation state increases thus, increase in oxidation state is oxidation similarly, when a species gains electron/s, its oxidation state decreases thus, decrease in oxidation state is reduction.
In a cell, the oxidation takes place at anode electrode and reduction takes place at cathode electrode.
(c)
Interpretation:
The electrode at which the given half reaction takes place should be determined.
Concept Introduction:
In a chemical reaction, oxidation is defined as loss of electron/s and reduction is defined as gain of electron/s.
When a species loss electron/s, its oxidation state increases thus, increase in oxidation state is oxidation similarly, when a species gains electron/s, its oxidation state decreases thus, decrease in oxidation state is reduction.
In a cell, the oxidation takes place at anode electrode and reduction takes place at cathode electrode.

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Chapter 15 Solutions
Basic Chemistry (5th Edition)
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- Curved arrows are used to illustrate the flow of electrons. Use the reaction conditions provided and follow the arrows to draw the intermediate and the product in this reaction or mechanistic step(s).arrow_forwardLook at the following pairs of structures carefully to identify them as representing a) completely different compounds, b) compounds that are structural isomers of each other, c) compounds that are geometric isomers of each other, d) conformers of the same compound (part of structure rotated around a single bond) or e) the same structure.arrow_forwardGiven 10.0 g of NaOH, what volume of a 0.100 M solution of H2SO4 would be required to exactly react all the NaOH?arrow_forward
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- Draw the condensed or line-angle structure for an alkene with the formula C5H10. Note: Avoid selecting cis-/trans- isomers in this exercise. Draw two additional condensed or line-angle structures for alkenes with the formula C5H10. Record the name of the isomers in Data Table 1. Repeat steps for 2 cyclic isomers of C5H10arrow_forwardExplain why the following names of the structures are incorrect. CH2CH3 CH3-C=CH-CH2-CH3 a. 2-ethyl-2-pentene CH3 | CH3-CH-CH2-CH=CH2 b. 2-methyl-4-pentenearrow_forwardDraw the line-angle formula of cis-2,3-dichloro-2-pentene. Then, draw the line-angle formula of trans-2,3-dichloro-2-pentene below. Draw the dash-wedge formula of cis-1,3-dimethylcyclohexane. Then, draw the dash-wedge formula of trans-1,3-dimethylcyclohexane below.arrow_forward
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