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In which of the following reactions conc...

In which of the following reactions conc. `H_2SO_4` is used as an oxidising reagent?

A

`CaF_2+H_2SO_4 rarr CaSO_4 + 2HF`

B

`2HI + H_2SO_4 rarr I_2 + SO_2 + 2H_2O`

C

`Cu + 2H H_2SO_4 rarr CuSO_4 + SO_2 + 2H_2O`

D

`NaCl + H_2SO_4 rarr NaHSO_4+ HCl`

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MODERN PUBLICATION-p-BLOCK ELEMENTS-EXERCISE
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