According to molecule orbital theory, which of the following will not

1.	According to molecule orbital theory, which of the following will not be a viable molecule-
Answer» <html><body><p>`H_(<a href="https://interviewquestions.tuteehub.com/tag/2-283658" style="font-weight:bold;" target="_blank" title="Click to know more about 2">2</a>)^(-)`<br/>`H_(2)^(2-)`<br/>`He_(2)^(2+)`<br/>`He_(2)^(+)`</p>Solution :MO electronic configuration of `H_(2)^(2-):(sigma_(1s))^(2)(sigma_(1s))^(2)` <br/> `therefore`<a href="https://interviewquestions.tuteehub.com/tag/bond-900583" style="font-weight:bold;" target="_blank" title="Click to know more about BOND">BOND</a> order=`(2-2)/(2)=<a href="https://interviewquestions.tuteehub.com/tag/0-251616" style="font-weight:bold;" target="_blank" title="Click to know more about 0">0</a>` <br/> Since, bond order of `H_(2)^(2-)` is 0, it does not exist.</body></html>

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