Q: Which one of the following ions is not iso-electronic with F⁻?
(a)O²⁻
(b)Na⁺
(c)Ne
(d)N⁻
Correct Answer: (d)
The correct answer is (c) 'Ne'. This question from the General Studies domain tests knowledge of Miscellaneous.
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NDA 2021 Session IIMiscellaneousQ. 142 of 141