1.

Hot concentrated sulpuric acis is a moderatly strong oxidizing agent. Which of the following reaction does not shwo oxidizing behaviour?

Answer»

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

Answer :A


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