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Question
Explain oxidation in terms of gain or loss of oxygen with one example.
Solution
Oxidation is the gain of oxygen.
Example:
2Mg + O2 → 2MgO
Here, Mg is oxidised to MgO by accepting oxygen.
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RELATED QUESTIONS
What is meant by rust?
What are anti-oxidants? Why are they added to fat and oil containing foods?
When a magnesium ribbon burns in air with a dazzling flame and forms a white ash, is magnesium oxidised or reduced? Why?
Name the following:
The process in which oxygen is added or hydrogen is removed.
MULTIPLE CHOICE QUESTIONS
The process of adding oxygen to a substance is called
- oxidation.
- reduction.
- displacement.
- hydrogenation.
Define Oxidation reaction.
What is a redox reaction?
Identify the following reactions as oxidation/reduction/redox reaction
2Mg +O2 → 2MgO
Answer the questions based on the equation below:
\[\ce{CH3 - CH2 - OH ->[{[O]}][K2Cr2O7/H2SO4] CH3 - COOH}\]
- What type of reaction is it?
- What is the role of the chemical written on the arrow?
- Give one example of one such type of chemical as in answer (b).
In the redox reaction:
MnO2 + 4HCl → MnCl2 + 2H2O + Cl2
