Q.

The bond order and magnetic property of acetylide ion are same as that of                [2023]

1 N2+  
2 NO+  
3 O2+  
4 O2-  

Ans.

(2)

Species Total number of electrons Bond order Unpaired electrons (n) Magnetic momentum (n×(n+2)BM)
Acetylides ion (C2-2) 14 3 0 0
O2- 17 1.5 1 3
O2+ 15 2.5 1 3
N2+ 13 2.5 1 3
NO+ 14 3 0 0