
Concept explainers
(a)
Interpretation:
The given half reaction needs to be balanced.
Concept Introduction :
A redox reaction is meant to take place when the oxidation states of the atoms present in a chemical species are changed. In such type of
(b)
Interpretation:
If lead oxidized or reduced in the given reaction needs to be determined.
Concept Introduction :
A redox reaction is meant to take place when the oxidation states of the atoms present in a chemical species are changed. In such type of reaction, both oxidation and reduction of two different atoms present in the reactant molecules take place simultaneously. An atom of an element is said to be oxidized when gives electrons to other species. A half reaction for a given redox chemical reaction shows the half component that is it shows oxidation and reduction half reactions separately and the number of electrons lost or gain during oxidation and reduction provided must be same.
(c)
Interpretation:The electrode at which the given half reaction takes place needs to be identified.
Concept Introduction :
A redox reaction is meant to take place when the oxidation states of the atoms present in a chemical species are changed. In such type of reaction, both oxidation and reduction of two different atoms present in the reactant molecules take place simultaneously. An atom of an element is said to be oxidized when gives electrons to other species. A half reaction for a given redox chemical reaction shows the half component that is it shows oxidation and reduction half reactions separately and the number of electrons lost or gain during oxidation and reduction provided must be same.
In the electrolytic cell, the oxidation takes place at anode and reduction takes place at cathode.

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Chapter 15 Solutions
Basic Chemistry
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