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JEE Main2005Chemistryd and f Block ElementsActual

The lanthanide contraction is responsible for the fact that

Options

  1. AZr and Y have about the same radius
  2. BZr and Nb have similar oxidation state
  3. CZr and Hf have about the same radius
  4. DZr and Zn have the same oxidation

Correct answer

C. Zr and Hf have about the same radius

Step-by-step solution

Due to Lanthanide contraction.

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