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Hot concentrated sulpuric acis is a mode...

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

A

`Cu+2H_(2)SO_(4)rarrCuSO_(4)+SO_(2)+2H_(2)O`

B

`S+2H_(2)SO_(4)rarr3SO_(2)+2H_(2)O`

C

`C+2H_(2)SO_(4)rarrCO_(2)+2SO_(2)+2H_(2)O`

D

`CaF_(2)+H_(2)SO_(4)rarrCaSO_(4)+2HF`

Text Solution

Verified by Experts

The correct Answer is:
d
`CaF_(2)+H_(2)SO_(4) rarr CaSO_(4)+2HF`
Here the os of all the atoms do not change and hence it is not a redox reaction in other words `H_(2)SO_(4)` does not act as an oxidising agent in this rection while in all the reamianing reaction s it acts as an oxidising agent
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