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Assertion (A) : Separation of Zr and Hf ...

Assertion (A) : Separation of Zr and Hf is difficult.
Reason (R ) : Zr and Hf lies in the same group of the periodic table.

A

both (A) and (R ) are true, and (R ) is the correct explanation of (A).

B

both (A) and (R ) are true, but (R ) is not the correct explanation of (A).

C

(A) is false but (R ) is true.

D

(A) and (R ) both are false.

Text Solution

Verified by Experts

The correct Answer is:
B
Correct Explanation : Zr and Hf have almost the same atomic size and so in the same oxidation state they have the same charge to radius ratio. Hence, Zr & Hf have the same chemical properties.
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