Write one chemical reaction for the preparation of D2O2.
Write one chemical reaction for the preparation of D2O2.
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1 Answer
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This is a short answer type question as classified in NCERT Exemplar
Peroxodisulphate, obtained by electrolytic oxidation of acidified sulphate solutions at high current density, on hydrolysis yields hydrogen peroxide.
2HSO4- (aq) → HO3SOOSO3 2HSO4- (aq)+2H+ (aq)+H2O2 (aq)
This method is now used for the laboratory preparation Of D2O2.
K2S2O8 (s)+2D2O (l) → 2KDSO4 (aq)+D2O2 (l)
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H2S has minimum boiling point.
PbS + 4H2O2->PbSO4 + 4H2O.
Volume strength of H2O2 = Molarity * 11.2
HF molecules are associated with strong intermolecular hydrogen bonding hence its boiling point is the highest
Compound Melting Point (K)
HF 190
HCl 159
HBr 185
HI
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