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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$A + B$ $\rightleftharpoons$ $C + D$ + heat
has reached equilibrium. The reaction may be made to proceed forward by
$(i)$ $\left[ FeF _{6}\right]^{3-}$
$(ii)$ $\left[ Co \left( NH _{3}\right)_{6}\right]^{3+}$
$(iii)$ $\left[ NiCl _{4}\right]^{2-}$
$(iv)$ $\left[ Cu \left( NH _{3}\right)_{4}\right]^{2+}$