MCQ
If an electron is transferred from $B$ to $A$ , then reaction is possible when
- A$(I.E_A - E.A_B) < (I.E_B - E.A_A)$
- B$(I.E_B + E.A_B) > (I.E_A - E.A_A)$
- ✓$(I .E_B + E.A_B ) < (I.E_A + E.A_A)$
- D$(I.E_B - E.A_B) < (I.E_A - E.A_A)$
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($A$) $\mathrm{C}_2^{2-}$ is expected to be diamagnetic
($B$) $\mathrm{O}_2{ }^{2+}$ is expected to have a longer bond length than $\mathrm{O}_2$
($C$) $\mathrm{N}_2^{+}$and $\mathrm{N}_2^{-}$have the same bond order
($D$) $\mathrm{He}_2^{+}$has the same energy as two isolated He atoms
