Question:
Assertion (A): Separation of Zr and Hf is difficult.
Reason (R): Zr and Hf have similar radii due to lanthanoid contraction.
Assertion (A): Separation of Zr and Hf is difficult.
Reason (R): Zr and Hf have similar radii due to lanthanoid contraction.
Reason (R): Zr and Hf have similar radii due to lanthanoid contraction.
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Lanthanoid contraction refers to the steady decrease in ionic radii of the lanthanoids, making elements like Zr and Hf chemically and physically similar.
Updated On: Feb 25, 2025
- Both Assertion (A) and Reason (R) are true and Reason (R) is the correct explanation of the Assertion (A).
- Both Assertion (A) and Reason (R) are true, but Reason (R) is not the correct explanation of the Assertion (A).
- Assertion (A) is true, but Reason (R) is false
- Assertion (A) is false, but Reason (R) is true.
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The Correct Option is A
Solution and Explanation
Zr and Hf are very similar in size due to lanthanoid contraction, which makes it difficult to separate them effectively using conventional methods.
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