1.

Which reaction represents the oxidizing behaviour of H_2SO_4 ?

Answer»

`2PCl_5 + H_2SO_4 RARR 2POCl_3 + 2HCl + SO_2Cl_2`
`2NAOH + H_2SO_4 rarr Na_2SO_4 + 2H_2O`
`NaCl + H_2SO_4 rarr NaHSO_4 + HCL`
`2HI + H_2SO_4 rarr I_2 + SO_2 + 2H_2O`

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