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Q.

Largest ion among the following is

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a

$O^{- 2}$

b

${Na}^{+}$

c

$C l^{-}$

d

$S^{- 2}$

answer is C.

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Detailed Solution

Largest ion Question Image

$S^{- 2}$ ion is largest ion, Nuclear charge is less with more no. of electrons is more ionic-size.

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