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  3. Chemistry
  4. In which of the following compounds does the ratio of anion to cation size have the lowest value?

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Q. In which of the following compounds does the ratio of anion to cation size have the lowest value?

NTA AbhyasNTA Abhyas 2022

Solution:

As the ionic radii decrease in order $K^{+}>Na^{+}>Mg^{2 +}$ and $Br^{-}>Cl^{-}$ , therefore, $Cl^{-}/K^{+}$ has the least values.