Question

# In which of the following ionization processes, the bond order has increased and the magnetic behaviour has changed?

A
N2N+2
B
C2C+2
C
NONO+
D
O2O+2

Solution

## The correct option is D $$NO\rightarrow NO^{+}$$A) Going from $$N_2$$ to $$N_2^+$$, bond order decreases from 3 to 2.5.B) Going from $$C_2$$ to $$C_2^+$$, bond order decreases from 2 to 1.5.C) Going from $$NO$$ to $$NO^+$$, bond order increases from 2.5 to 3, and the magnetic behavior changes from paramagnetic to diamagnetic.D) Going from $$O_2$$ to $$O_2^+$$, bond order increases from 2 to 2.5, but magnetic behavior does not change. Both of these species are paramagnetic.Chemistry

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