MCQ
Select the $CORRECT$ order of stability
- A$Hg^{+2} > Hg$
- ✓$Sn^{+4} > Sn^{+2}$
- C$Bi^{+5} > Bi^{+3}$
- D$PbBr_4 > PbCl_4$
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$(I)$ the nature of the ligand
$(II)$ the charge on the metal ion
$(III)$ whether the metal is in the first, second or third row of the transition elements