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  4. The starting material for convenient preparation of deuterated hydrogen peroxide (D2 O 2) in laboratory is :

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Q. The starting material for convenient preparation of deuterated hydrogen peroxide $\left(D_2 O _2\right)$ in laboratory is :

JEE MainJEE Main 2023Hydrogen

Solution:

$\left( K _2 S _2 O _8( s )+2 D _2 O ( l ) \rightarrow 2 KDSO _4\right.$ (aq. $)+ D _2 O _2$