$H_2O_2+H_2O\rightarrow H_3O^-+HO_2^-$ the reaction indicates

Question

$\begin{array}{1 1}(a)\;H_2O_2\;\text{is a bleaching agent}\\(b)\;H_2O\;\text{is more acidic than }H_2O_2\\(c)\;H_2O_2\;\text{is more acidic than }H_2O\\(d)\;\text{Both }H_2O_2\;\text{and}\;H_2O\;\text{are acidic}\end{array}$