Which of the following diatomic molecular species has only π bonds according to Molecular Orbital Theory?
- AO
2
- BN
2
- CC
2
- DBe
2
Solution & Step-by-step Explanation
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For C
2
(12 electrons), the configuration is:
σ1s
2
,σ
∗
1s
2
,σ2s
2
,σ
∗
2s
2
,π2p
x
2
,π2p
y
2
.
The last four electrons occupy only the π bonding orbitals. In C
2
, both bonds are π bonds.
Explore
For C
2
(12 electrons), the configuration is:
σ1s
2
,σ
∗
1s
2
,σ2s
2
,σ
∗
2s
2
,π2p
x
2
,π2p
y
2
.
The last four electrons occupy only the π bonding orbitals. In C
2
, both bonds are π bonds.