1. Tardigrade
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  3. Chemistry
  4. Of the following, the one with largest size is:

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Q. Of the following, the one with largest size is:

EAMCETEAMCET 1997

Solution:

$ \text{Ionic}\,\text{radius}\,\propto \frac{1}{\text{effective}\,\text{nuclear}\,\text{charge}} $ When the , electrons are added in the outer-most orbit, the attractive force of the nucleus on the electron (effective nuclear charge) decreases. So, that after adding electron or in case of-ve ion the ionic radius increases. So, in given alternatives the largest size of $ \text{C}{{\text{l}}^{-}} $