Home » Chemistry » Cr2O7 + 6Fe2+ + 14H+ → 2Cr3+ +6Fe3+ + 7H2O. In the above , the…Cr2O7 + 6Fe2+ + 14H+ → 2Cr3+ +6Fe3+ + 7H2O. In the above , the… Cr2O7 + 6Fe2+ + 14H+ → 2Cr3+ +6Fe3+ + 7H2O. In the above , the oxidation number of chromium changed from? A. +7 to +3 B. +6 to +3 C. +5 to +3 D. -2 to +3 Correct Answer: Option A Explanation Related Posts Consider the following reaction equation: SO42-(aq) + 2H+(aq) + ye- (to) SO42-(aq) + H2O(1). The… In an electrochemical cell, polarization is caused by If the volume of a gas at 35°C is 60cm3, what would be its volume… Chemistry Theory A shortened form of the Periodic Table is shown below. Use it to answer questions… Chemistry Theory (a) Name one gaseous hydrocarbon which is (i) used for welding. (ii) a major raw… In an endothermic reaction, if there is a loss in entropy the reaction will
