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InterviewSolution
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At one time `H_(2)O_(2)` was obtained by electrolysis of 50% `H_(2)SO_(4)` The process of electrolysis involves following reaction : `2H_(2)SO_(4) rarr 2H^(+)+2HSO_(4)^(-)` At cathode: `2H^(+)+2e^(-) rarr H_(2)uarr` At anode: `2HSO_(4)^(-)rarr X+2e^(-)` `X+H_(2)O rarr Y+Z, Y+H_(2)Orarr Z+H_(2)O_(2)` The number of -OH groups in X:A. 3B. 2C. 4D. zero |
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Answer» Correct Answer - B |
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