Question
For which of the following ionic species radius would be maximum ?
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Statement $I$ : The electronegativity of group $14$ elements from $\mathrm{Si}$ to $\mathrm{Pb}$ gradually decreases.
Statement $II$ : Group $14$ contains non-metallic, metallic, as well as metalloid elements.
In the light of the above statements, choose the most appropriate from the options given below :
