aydenmiller3 aydenmiller3
  • 06-09-2016
  • Mathematics
contestada

Use the change in oxidisation numbers to determine which elements are oxidised and reduced in this reaction.C + H2SO4 -->CO2 + SO2 +H2O

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caylus
caylus caylus
  • 06-09-2016
Hello,

xC+yH2SO4->xCO2+ySO2+zH2O

for H: 2y=2z==>y=z
for O:4y=2x+2y+z ==>2y=2x+z

Let's
z=t
y=t
2x=t or x=y/2

We suppose t=2
z=2
y=2
x=1
==>C+2H2SO4->CO2+2SO2+2H2O
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