Question:
Match the items in Group-I with corresponding appropriate items in Group-II.
Group-I Group-II
P. Cs 1. Siderophile
Q. Au 2. Chalophile
R. Cd 3. Atmophile
S. Rn 4. Lithophile
Match the items in Group-I with corresponding appropriate items in Group-II.
Group-I Group-II
P. Cs 1. Siderophile
Q. Au 2. Chalophile
R. Cd 3. Atmophile
S. Rn 4. Lithophile
Show Hint
Siderophiles bond with iron, lithophiles with the earth's crust, chalophiles with sulfur, and atmophiles with atmospheric gases.
Updated On: Dec 26, 2025
- P-4, Q-1, R-2, S-3
- P-4, Q-3, R-1, S-2
- P-3, Q-1, R-2, S-4
- P-2, Q-1, R-4, S-3
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The Correct Option is A
Solution and Explanation
In this question, we are matching elements in Group I with their correct classification in Group II based on their affinity to different types of elements in nature. These classifications are related to the geochemical behavior of the elements.
- Cs (P): Cesium is an alkali metal and has a high affinity for lithosphere elements like silicon and oxygen, making it a lithophile. Hence, P corresponds to 4.
- Au (Q): Gold is a siderophile, meaning it has a strong affinity for iron and tends to associate with metals in the earth's core. Therefore, Q corresponds to 1.
- Cd (R): Cadmium is a chalophile, which prefers to bond with sulfur in sulfide minerals. Hence, R corresponds to 2.
- Rn (S): Radon, a noble gas, is highly atmophilic, meaning it is associated with gases in the atmosphere. Thus, S corresponds to 3.
Therefore, the correct matching is (A): P-4, Q-1, R-2, S-3.
- Cs (P): Cesium is an alkali metal and has a high affinity for lithosphere elements like silicon and oxygen, making it a lithophile. Hence, P corresponds to 4.
- Au (Q): Gold is a siderophile, meaning it has a strong affinity for iron and tends to associate with metals in the earth's core. Therefore, Q corresponds to 1.
- Cd (R): Cadmium is a chalophile, which prefers to bond with sulfur in sulfide minerals. Hence, R corresponds to 2.
- Rn (S): Radon, a noble gas, is highly atmophilic, meaning it is associated with gases in the atmosphere. Thus, S corresponds to 3.
Therefore, the correct matching is (A): P-4, Q-1, R-2, S-3.
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