<p>In alkaline medium,&nbsp;<math xmlns="http://www.w3.org/1998/Math/MathML"><mi>C</mi><mi>l</mi><msub><mi>O</mi><mn>2</mn></msub></math>&nbsp;oxidises&nbsp;<math xmlns="http://www.w3.org/1998/Math/MathML"><msub><mi>H</mi><mn>2</mn></msub><msub><mi>O</mi><mn>2</mn></msub></math>&nbsp;to&nbsp;<math xmlns="http://www.w3.org/1998/Math/MathML"><msub><mi>O</mi><mn>2</mn></msub></math>&nbsp;and is itself reduced to&nbsp;<math xmlns="http://www.w3.org/1998/Math/MathML"><mi>C</mi><msup><mi>l</mi><mi mathvariant="normal">&#920;</mi></msup></math>. How many moles of&nbsp;<math xmlns="http://www.w3.org/1998/Math/MathML"><msub><mi>H</mi><mn>2</mn></msub><msub><mi>O</mi><mn>2</mn></msub></math>&nbsp;are oxides by 1 mol of&nbsp;<math xmlns="http://www.w3.org/1998/Math/MathML"><mi>C</mi><mi>l</mi><msub><mi>O</mi><mn>2</mn></msub></math>?</p>