MCQ
If Hund's rule is violated then select the $CORRECT$ statement regarding $[Ni(NH_3)_6]^{2+}$ is
- A$sp^3d^2$ , paramagnetic
- B$d^2sp^3$ , diamagnetic
- ✓$sp^3d^2$ , diamagnetic
- D$d^2sp^3$ , paramagnetic
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.



(Given) $\Delta H^o_f (CaCO_3,s) = -1207 \, \frac{kJ}{mol}$
$\Delta H^o_f \,(CaO,s) = -635 \,kJ/mol$
$\Delta H^o_f \,(CO_2.g) = -394 \,kJ/mol$