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General Principles & Process of Isolation of Elements Class 12 Notes Chemistry

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FAQs on General Principles & Process of Isolation of Elements Class 12 Notes Chemistry

1. What are the general principles involved in the process of isolation of elements?
Ans. The general principles involved in the process of isolation of elements include reduction, oxidation, electrolysis, and chemical reactions. These principles are used to separate elements from their compounds and obtain them in their pure form.
2. How is electrolysis used in the isolation of elements?
Ans. Electrolysis is used to isolate elements that are highly reactive and cannot be obtained by reduction or oxidation processes. In electrolysis, an electric current is passed through a molten or dissolved compound, causing the compound to decompose and the element to be deposited at the electrodes.
3. What is the role of reduction in the isolation of elements?
Ans. Reduction is the process of gaining electrons or decreasing the oxidation state of an element. It is used in the isolation of elements that are less reactive and can form compounds. By reducing the compound, the element can be separated and obtained in its pure form.
4. How does oxidation play a role in the isolation of elements?
Ans. Oxidation is the process of losing electrons or increasing the oxidation state of an element. It is used in the isolation of elements that are more reactive and can form compounds. By oxidizing the compound, the element can be separated and obtained in its pure form.
5. What are the different chemical reactions involved in the isolation of elements?
Ans. Different chemical reactions involved in the isolation of elements include precipitation, displacement, and complex formation reactions. These reactions are used to separate elements from their compounds based on their reactivity and solubility.
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