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35. Hot concentrated sulphuric acid is a moderately strong oxidizing agent. Which ofthefollowingreactionsdoenot show oxidizing behaviour?(1) C+ 2H2SO4 CO2 + 2S02 + 2H2O(3) Cu + 2H2SO4 CuSO4 + SO2 + 2H20(2) CaF2 + H2SO4CaSO4 + 2HF(4) 3S +2H2SO4 3S02 +2H2O |
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Answer» since sulphuric acid is oxidizing agent . so sulphuric acid itself will reduce , by gaining electrons. so, option 4. is having both oxidation and reduction of S. This is the correct answer. |
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