One mole of \( \mathrm{Cl_2(g)} \) was passed into \( 2 \, \mathrm{L} \) of cold \( 2 \, \mathrm{M} \) \( \mathrm{KOH} \) solution. After the reaction, the concentrations of \( \mathrm{Cl^-} \), \( \mathrm{ClO^-} \) and \( \mathrm{OH^-} \) are respectively (assume volume remains constant)
