Which of the following is used in the prepara | vedclass

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(B) The Merck process for the preparation of hydrogen peroxide involves the reaction of hydrated barium peroxide $(BaO_2 \cdot 8H_2O)$ with dilute pho

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$BaO_2 \cdot 8H_2O$

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(B) The Merck process for the preparation of hydrogen peroxide involves the reaction of hydrated barium peroxide $(BaO_2 \cdot 8H_2O)$ with dilute phosphoric acid $(H_3PO_4)$ or dilute sulfuric acid $(H_2SO_4)$.The reaction with phosphoric acid is as follows:$3BaO_2 \cdot 8H_2O + 2H_3PO_4 \rightarrow Ba_3(PO_4)_2 + 3H_2O_2 + 24H_2O$This method is preferred because the barium phosphate formed is insoluble and can be easily removed by filtration.

Which of the following is used in the preparation of hydrogen peroxide by the Merck process?

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