Question: In the reaction 2Ag+ + Zn → 2Ag + Zn^2+, which element is oxidized? (2020)
Options:
Ag
Zn
O
None of the above
Correct Answer: Zn
Exam Year: 2020
Solution:
In this reaction, zinc (Zn) is oxidized as it loses electrons to form Zn^2+.
In the reaction 2Ag+ + Zn → 2Ag + Zn^2+, which element is oxidized? (2020)
Practice Questions
Q1
In the reaction 2Ag+ + Zn → 2Ag + Zn^2+, which element is oxidized? (2020)
Ag
Zn
O
None of the above
Questions & Step-by-Step Solutions
In the reaction 2Ag+ + Zn → 2Ag + Zn^2+, which element is oxidized? (2020)
Step 1: Identify the reactants and products in the reaction: 2Ag+ + Zn → 2Ag + Zn^2+.
Step 2: Look at the oxidation states of each element before and after the reaction.
Step 3: Notice that silver (Ag) starts as Ag+ and ends as Ag, meaning it gains an electron.
Step 4: Observe that zinc (Zn) starts as a neutral atom and ends as Zn^2+, meaning it loses two electrons.
Step 5: Conclude that the element that loses electrons is oxidized. In this case, zinc (Zn) is oxidized.
Oxidation and Reduction – Oxidation is the loss of electrons, while reduction is the gain of electrons. In redox reactions, one element is oxidized and another is reduced.
Identifying Oxidation States – Understanding how to assign oxidation states to elements in a reaction helps in determining which element is oxidized or reduced.
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