1.

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

Answer»

Both assertion and reason are true and reason is the CORRECT explanation of the assertion
Both assertion and reason are true, but reason is not correct explanation of the assertion
Assertion is not true reason is true
Both assertion and reason are false

Solution :Separation of Zr and HF is DIFFICULT because both have nearly same atomic radii.


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