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Q.

The molecular orbital electronic configuration is ${(σ_{1 s})}^{2}, {({σ^{*}}_{1 s})}^{1}$ It corresponds to

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a

$H_{2}^{-}$

b

Both b & c

c

${He}_{2}$

d

${He}_{2}^{+}$

answer is D.

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Detailed Solution

According to configuration there are electrons in the species
$\begin{aligned} {He}_{2}^{+} - 3 e^{Θ_{s}} \\ H_{2}^{-} - 3 e^{⊖} s \end{aligned}$

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