Duration: 6:45

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Which one of the following pair would have a large
\( \mathrm{P} \)
size :
W
(i) \( \mathrm{K} \) or \( \mathrm{K}^{+} \)
(ii) \( \mathrm{Br} \) or \( \mathrm{Br}^{-} \)
(iii) \( \mathrm{O}^{2-} \) or \( \mathrm{F}^{-} \)
(iv) \( \mathrm{Li}^{+} \)or \( \mathrm{Na}^{+} \)
(v) \( \mathrm{P} \) or \( \mathrm{As} \)
(vi) \( \mathrm{Na}^{+} \)or \( \mathrm{Mg}^{+2} \)
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