MCQ
Chlorine dioxide is best prepared by passing dry
  • A
    Chlorine gas over hot $HgO$
  • B
    Chlorine and oxygen gas over hot pt catalyst
  • C
    Hydrogen chloride and oxygen over silver oxide
  • Chlorine over hot silver chlorate

Answer

Correct option: D.
Chlorine over hot silver chlorate
d
Chlorine dioxide is best prepared by passing dry 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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