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Which of the following processes is reversible?
(A) Transfer of heat by radiation
(B) Transfer of heat by conduction
(C) Isothermal compression
(D) Electrical heating of a nichrome wire

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Last updated date: 22nd Feb 2024
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IVSAT 2024
Answer
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Hint: In order to find which of the given reactions is reversible, we must first have an idea about what a reversible reaction is? A reversible reaction is said to be a type of chemical reaction that can take place in both directions, i.e., forward and backward.

Complete step by step answer:
Let us first understand the reversible reactions. A reversible reaction is said to be a type of chemical reaction that can take place in both directions, i.e., forward and backward. We can say that the reversible reaction in other words is a reaction in which the reactant can be converted into a product and the products can react back to give a reactant.
Let us discuss the given question.
- Transfer of heat by radiation, transfer of heat by conduction, and Electrical heating of a nichrome wire is an irreversible reaction as it cannot be brought back to its initial state. Therefore, Option (A), (B), and (D) is the incorrect options.
Isothermal compression is a reversible reaction, as the reaction can be brought back to its initial state.
So, the correct answer is “Option C”.

Note: We have to remember that an irreversible reaction is different from a reversible reaction. The reaction in which the entire reactants can be converted into the product and this reaction cannot be reversed back is said to be the irreversible reaction.
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