1.

Hot concentrated H_(2)SO_(4) ismoderately strong oxidising agent which of the following reactions does not show oxidising behaviour ?

Answer»

`Cu+2H_(2)SO_(4)rarrCuSO_(4)+SO_(2)+2H_(2)O`
`3S+2H_(2)SO_(4) RARR 3SO_(2)+2H_(2)O`
`C+2H_(2)SO_(4) rarr CO_(2)+2SO_(2)+2H_(2)O`
`CaF_(2)+H_(2)SO_(4) rarr CaSO_(4)+2HF`

Answer :A::B::C::D


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