MCQ
Which of the following is largest
- A$C{l^ - }$
- ✓${S^{2 - }}$
- C$N{a^ + }$
- D${F^ - }$
✓
Answer
Correct option: B.
${S^{2 - }}$
b
$(b)$ ${S^{2 - }}$ and $C{l^ - }$both are isoelectronic but nuclear charge of $C{l^ - }$ is more than ${S^{2 - }}$. So it has largest size.
$(b)$ ${S^{2 - }}$ and $C{l^ - }$both are isoelectronic but nuclear charge of $C{l^ - }$ is more than ${S^{2 - }}$. So it has largest size.
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