NEET UG CHEMISTRY MCQ: HYDROGEN

Option D ($\mathrm{K}_{2} \mathrm{S}_{2} \mathrm{O}_{8}$) is correct because deuterated hydrogen peroxide ($D_2O_2$) is conveniently prepared in the laboratory by the reaction of potassium peroxodisulfate ($K_2S_2O_8$) with heavy water ($D_2O$).