MCQ
Which element is estimated by Carius method
- ACarbon
- BHydrogen
- ✓Halogen
- DNitrogen
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$(I)\,[Ni(CO)_4]$ $(II)\, [Mn(CN)_6]^{4-}$ $(III)\, [Cr(NH_3)_6]^{3+}$ $(IV) \,[CoF_6]^{3 -}$

