Published by:
CGP EDU Academic Team
Published on: August 13, 2026
Which of the following diatomic molecular species has only 
-bonds according to molecular orbital theory?
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
B
The molecular orbital configuration of 
is
.
Double bond in 
consists of both 
-bonds because of the presence of last (valence) four electrons in two 
-molecular orbitals.
The configuration of 
and 
are as follows
,
and 
-bonds)
( 
bonds only)
,
and 
bond)
Hence, option is correct.
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