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D and F Block Elements question

2010 · Q113
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D and F Block Elements question

2010 · Q113

NEETChemistryD and F Block ElementsMCQ+4 / −1
Which of the following pairs has the same size?
  1. A
    Fe2+, Ni2+
  2. B
    Zr4+, Ti4+
  3. C
    Zr4+, Hf4+
  4. D
    Zn2+, Hf4+
View written solutionFree

Correct answer: C

Due to lanthanide contraction, the size of Zr and Hf (atom and ions) become nearly similar.

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