MCQ
Configuration of $Yb^{+2}$ is
- A$[Xe]\,4f^{14} \,5d^1$
- ✓$[Xe]\,4f^{14}$
- C$[Xe]\,4f^{14}\,6s^2$
- D$[Xe]\,4f^{14}\,5d^1\,6s^2$
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$(i)\, {\Delta _f}{H^o}$ of $N_2O$ is $82\, kJ\, mol^{-1}$
$(ii)$ Bond energies of $N \equiv N,N = N,O = O$ and $N = O$ are $946, 418, 498$ and $607\, kJ\, mol^{- 1}$ respectively
The resonance energy of $N_2O$ is......$kJ$