MCQ
Chlorine dioxide is best prepared by passing dry
- AChlorine gas over hot $HgO$
- BChlorine and oxygen gas over hot pt catalyst
- CHydrogen chloride and oxygen over silver oxide
- ✓Chlorine over hot silver chlorate
Reaction: $2 AgClO _3+\underset{\text { (Dry) }}{ Cl _2} \rightarrow 2 AgCl +2 ClO _2+ O _2$
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$(a)$ $[Co(en)_2Cl_2]Br$
$(b)$ $[Pt(NH_3)_2Cl_2Br_2]$
$(c)$ $[Co(en)_3]Cl_3$
$(d)$ $[Pt(NH_3)_4Cl_2]$
$(e)$ $[Pt(NH_3)_2Cl_2]$