0 votes
279 views
in random by (98.9k points)
reopened by

According to molecular orbital theory, the species among the following that does not exist is:

 

a. He2-
b. He2+
c. O22-
d. Be2

1 Answer

0 votes
by (98.9k points)
selected by
 
Best answer

The correct answer is  d)  Be2   

According to M.O.T. If bond order of chemical species is zero then that chemical species does not exist  

Chemical species Bond Order
\(He_2^{-}\) 0.5
\(He_2^+\) 0.5
\(O^{2-}_2\) 1
\(Be_2\) 0

 

Related questions

Doubtly is an online community for engineering students, offering:

  • Free viva questions PDFs
  • Previous year question papers (PYQs)
  • Academic doubt solutions
  • Expert-guided solutions

Get the pro version for free by logging in!

5.7k questions

5.1k answers

108 comments

557 users

...