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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 + 2 H_(2)SO_(4) rarr CuSO_(4) + SO_(2) + 2H_(2) O`

B

`S + 2H_(2)SO_(4) rarr 3 SO_(2) + 2H_(2)O`

C

`C + 2 H_(2) SO_(4) rarr CO_(2) + 2SO_(2) + 2H_(2)O`

D

`CaF_(2) + H_(2)SO_(4) rarr CaSO_(4) + 2HF`

Text Solution

Verified by Experts

The correct Answer is:
D
`CaF_(2) + H_(2)SO_(4) rarr CaSO_(4) + 2HF`
(a stronger acid displaces a weaker acid from its salts).
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