To solve this matching question, we need to identify the common uses of each compound listed in List-I by matching them correctly with List-II.
Carbon tetrachloride (A): Traditionally used as a fire extinguisher. Chlorinated hydrocarbons like carbon tetrachloride have been used in the past for this purpose due to their non-flammable properties. Therefore, the correct match is (III).
Methylene chloride (B): Commonly used as a paint remover because it effectively strips paint by dissolving the paint layers. Thus, the correct match is (I).
DDT (C): Known as a non-biodegradable insecticide. It has been used extensively in agriculture and for mosquito control because of its effectiveness, although its use is now heavily restricted due to environmental impact. Therefore, the correct match is (IV).
Freons (D): These are used in refrigerators and air conditioners as refrigerants. Freons help in transferring heat and keeping these appliances cool. Thus, the correct match is (II).
Based on the analysis, the correct match of List-I with List-II is:
(A)-(III), (B)-(I), (C)-(IV), (D)-(II)
Therefore, the correct answer is: (A)-(III), (B)-(I), (C)-(IV), (D)-(II).
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Approach Solution -2
Matching Explanation: - (A) Carbon tetrachloride: Used as a fire extinguisher in the past due to its non-flammable properties. Hence, it matches with (III). (B) Methylene chloride: Commonly used as a paint remover due to its ability to dissolve paint and coatings. Hence, it matches with (I). (C) DDT: Known for its use as a non-biodegradable insecticide, which has been widely restricted due to environmental concerns. Hence, it matches with (IV). (D) Freons: These are used as refrigerants and in air conditioners due to their heat absorption and transfer properties. Hence, it matches with (II). Conclusion: The correct matching is: • (A)-(III) • (B)-(I) • (C)-(IV) • (D)-(II)
