MCQ
In which of the following ionization processes the bond energy increases and the magnetic behaviour changes from paramagnetic to diamagnetic.
- A$O_2 \rightarrow O_2^+$
- B$C_2 \rightarrow C_2^+$
- ✓$NO \rightarrow NO^+$
- D$N_2 \rightarrow N_2^+$
✓
Answer
Correct option: C.
$NO \rightarrow NO^+$
c
In $C_{2}-C_{2}^{+}$ electrons is removed from bonding molecular orbital so bond order decreases.
In $C_{2}-C_{2}^{+}$ electrons is removed from bonding molecular orbital so bond order decreases.
In $N O \rightarrow N O^{+}$ electrons is removed from anti bonding molecular orbital so bond order increases and nature changes from paramagnetic to diamagnetic.
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