Which of the following is NOT a redox reaction ?

Options

A. `11Al_((s)) + 3BiONO_(3(s))+ 21H_(2)O_((l)) + 11OH_((aq))^(-) rarr 3Bi_((s)) + 3NH_(3(aq))+ 11 Al ( OH)_(4(aq))^(-)`
B. `5H_(2)C_(2)O_(4(aq)) + 2MnO_(4(aq))^(-) + 6H_((aq))^(+) rarr 10 CO_(2(g)) + 2Mn_((aq))^(2+) + 8 H_(2)O_((l))`
C. `AgNO_(3) + NaClrarr AgCl + NaNO_(3)`
D. `Zn + H_(2)SO_(4) rarr ZnSO_(4) + H_(2)`

Answer

C