Question

Which one of the following constitutes a group of the isoelectronic species?

Accepted Answer

${\rm{N}}{{\rm{O}}^ + },{\rm{C}}_2^{2 - },{\rm{C}}{{\rm{N}}^ - },{{\rm{N}}_2}$

Answer

${\rm{C}}_2^{2 - },{\rm{O}}_2^ - ,{\rm{CO}},{\rm{NO}}$

Answer

${\rm{C}}{{\rm{N}}^ - },{{\rm{N}}_2},{\rm{O}}_2^{2 - },{\rm{CO}}_3^{2 - }$

Answer

${{\rm{N}}_2},{\rm{O}}_2^ - ,{\rm{N}}{{\rm{O}}^ + },{\rm{CO}}$

NEET UG CHEMISTRY MCQ: CHEMICAL BONDING & MOLECULAR STRUCTURE

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