Which of the following pairs has the same size ?A. `Zn^(2+), Hf^(4+)`B. `Fe^(2+), Ni^(2+)`C. `Zr^(4+), Ti^(4+)`D. `Zr^(4+), Hf^(4+)`

Which of the following pairs has the same size ?A. `Zn^(2+), Hf^(4+)`B

1.	Which of the following pairs has the same size ?A. `Zn^(2+), Hf^(4+)`B. `Fe^(2+), Ni^(2+)`C. `Zr^(4+), Ti^(4+)`D. `Zr^(4+), Hf^(4+)`
Answer» Correct Answer - D Due to lanthanide contraction.

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Which of the following pairs has the same size ?A. `Zn^(2+), Hf^(4+)`B. `Fe^(2+), Ni^(2+)`C. `Zr^(4+), Ti^(4+)`D. `Zr^(4+), Hf^(4+)`

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