A) \[{{H}_{2}}S{{O}_{4}}\]
B) \[~N{{H}_{4}}HS{{O}_{4}}\]
C) \[N{{a}_{2}}{{O}_{2}}+{{H}_{2}}S{{O}_{4}}\]
D) all of these
Correct Answer: C
Solution :
In laboratory, \[{{\text{H}}_{\text{2}}}{{\text{O}}_{\text{2}}}\]is prepared as below by Mercks process. \[\underset{\begin{smallmatrix} \text{Sodium} \\ \text{peroxide} \end{smallmatrix}}{\mathop{\text{N}{{\text{a}}_{2}}{{O}_{2}}}}\,+{{H}_{2}}S{{O}_{4}}\xrightarrow{{}}N{{a}_{2}}S{{O}_{4}}+\underset{\begin{smallmatrix} \text{hydrogen} \\ \text{peroxide} \end{smallmatrix}}{\mathop{{{H}_{2}}{{O}_{2}}}}\,\]
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