First slide
Chemical reactions and calculations
Question

Which of the following statements is/are correct?

In the reaction xCu3P+yCr2O72Cu2++H3PO4+Cr3+

Moderate
Solution

4H2O+Cu3P+1x3-33Cu2++H3PO4+11e+5H×6 6e+14H+Cr2O722Cr3++7H2O×11                                          6Cu3P+124H+11Cr2O7218Cu2++6H3PO4+22Cr3++53H2O

Total number of electrons transferred = 66

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