MCQ
Complexes $[Co(NH_3)_5SO_4]Br$ and $[Co(NH_3)_5Br]SO_4$ can be distinguished by
- Aconductance measurement
- Busing $BaCl_2$
- Cusing $AgNO_3$
- ✓all
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Statement $I:$ In $Cl _{2}$ molecule the covalent radius is double of the atomic radius of chlorine.
Statement $II:$ Radius of anionic species is always greater than their parent atomic radius.
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