MCQ
Lanthanide for which $+ II$ and $ + III $ oxidation states are common is
- ✓$La$
- B$Nd$
- C$Ce$
- D$Eu$
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$I.\,H_2S_2O_6\,\,\,\,\,\,\,\,II.\,H_2SO_3\,\,\,\,\,\,\,\,III.\,H_2SO_5$

$(F = 96500 \,C\, mol^{-1})$
