MCQ
The correct order of acid strength is
- A$SO_3 < P_2O_3 < SiO_2 < Al_2O_3$
- ✓$Al_2O_3 < SiO_2 < P_2O_5 < SO_3$
- C$Al_2O_3 < SiO_2 < SO_2 < P_2O_3$
- D$SiO_2 < SO_2 < Al_2O_3 < P_2O_5$
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$(I)\,[Xe]\, 6s^1$ $(II)\,[Xe]\,4f^{14}\,5d^1\,6s^2$
$(III)\,[Ar]\,4s^2\,4p^5$ $(IV)\,[Ar]\,3d^7,\,4s^2$
Select the incorrect statement about these elements