

MCQOPTIONS
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1. |
Which one of the following constitutes a group of the isoelectronic species? |
A. | \[{{C}^{2-}}_{2},{{O}^{-}}_{2}CO,NO\] |
B. | \[N{{O}^{+}}\],\[{{C}^{2-}}_{2},\]\[C{{N}^{-}},\]\[{{N}_{2}}\] |
C. | \[C{{N}^{-}},\]\[{{N}_{2}}\],\[{{O}^{2-}}_{2},\]\[{{C}^{2-}}_{2},\] |
D. | \[N{{O}_{2}}\],\[{{O}_{2}}\],\[N{{O}^{+}}\],\[CO\] |
Answer» C. \[C{{N}^{-}},\]\[{{N}_{2}}\],\[{{O}^{2-}}_{2},\]\[{{C}^{2-}}_{2},\] | |