Question

Which one of the following sets of ions represents a collection of isoelectronic species?

Accepted Answer

${{\rm{K}}^ + },{\rm{C}}{{\rm{l}}^ - },{\rm{C}}{{\rm{a}}^{2 + }},{\rm{S}}{{\rm{c}}^{3 + }}$

Answer

${\rm{B}}{{\rm{a}}^{2 + }},{\rm{S}}{{\rm{r}}^{2 + }},{{\rm{K}}^ + },{\rm{C}}{{\rm{a}}^{2 + }}$

Answer

${{\rm{N}}^{3 - }},{{\rm{O}}^{2 - }},{{\rm{F}}^ - },{{\rm{S}}^{2 - }}$

Answer

${\rm{L}}{{\rm{i}}^ + },{\rm{N}}{{\rm{a}}^ + },{\rm{M}}{{\rm{g}}^{2 + }},{\rm{C}}{{\rm{a}}^{2 + }}$

NEET UG CHEMISTRY MCQ: CHEMICAL BONDING & MOLECULAR STRUCTURE

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