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

Assertion (A) Separation of Zr and Hf is difficult. Reason (R ) Because Zr and Hf lie in the same group of the Periodic Table.

Assertion (A) Separation of Zr and Hf is difficult. Reason (R ) Because Zr and Hf lie in the same group of the Periodic Table.

Assertion : Separation of Zr and Hf is difficult. Reason : Because Zr and Hf lie in the same group of the periodic table.

(A): Zr and Hf have nearly equal atomic radii. (R): Zr and Hf belong to the same group.

The properties of Zr and Hf are similar because