/10 Report a question What's wrong with this question? You cannot submit an empty report. Please add some details. 12345678910 Chapter 7 : Redox Reactions This Quiz Contains a set of 10 Questions. The Passing Cut-off is 60%. To start the Quiz, click on the Start Button. All the Best! 1 / 10 In rusting of iron, iron undergoes Reduction Oxidation Neutralisation Precipitation 2 / 10 In redox reactions, electrons are Created Destroyed Transferred Converted to protons 3 / 10 Oxidation number of oxygen in superoxide (O₂⁻) is −1 −2 −1/2 0 4 / 10 Which is NOT an electrode process? Oxidation Reduction Electron transfer Neutralisation 5 / 10 Which compound contains two different oxidation states of the same element? SO₂ Fe₃O₄ CO₂ NH₃ 6 / 10 Which of the following represents reduction in classical terms? Loss of oxygen Loss of hydrogen Gain of electrons Increase in oxidation number 7 / 10 Oxidation number of chromium in K₂Cr₂O₇ is 3 6 7 2 8 / 10 Oxidation number of oxygen in H₂O₂ is −1 0 1 −2 9 / 10 Oxidation number of oxygen in KO₂ is −1 −2 −1/2 0 10 / 10 Oxidation number of carbon in CO₂ is 2 −2 4 0 Your score is 0% Restart quiz
