Question

Which scientist had obtained hydrogen peroxide from barium peroxide? (A) J. L. Leonard (B) J. J. Thomson (C) J. L. Thenard (D) Goldstein

Answer 1

Answer is (C):) J. L. Thenard invented hydrogen peroxide from barium peroxide.Hydrogen peroxide can be produced from barium peroxide as per following reaction from barium peroxide:

1) reacting aqueous barium peroxide with sulphuric acid.

2) Then bubbling carbon dioxide gas in the paste of barium peroxide.

3)Then by reacting barium peroxide with phosphoric acid.

4)The reaction is given by:

5)BaO2.8H2O + H2SO4 →BaSO4 + H2O2 + 8H2O

Answer 2

(C) J.L.Thenard ♦♦♦♦♦♦♦♦