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which is a better reducing agent at 673k? c or co why?

which is a better reducing agent at 673k? c or co why?

Grade:12

5 Answers

p siri
18 Points
8 years ago

which is a better reducing agent at 673k? c or co why?

saisandeep Mattaparthi
84 Points
8 years ago

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hope you understand.............

sanjay sanjeev patro
43 Points
8 years ago

CO IS BETTER REDUCING AGENT BECAUSE FREE GIBS VALUE IS LOW

sargam gupta
4 Points
8 years ago

Refer to ellingam diagram

Guru Prasad Singh
18 Points
8 years ago

CO acts as a better reducing agent between 500 – 800 K and C acts as a better reducing agent between 900 – 1500 K.
This can be answered on the basis of the Ellingam diagram. Let us understand this by an example.
The following figure is a plot of Gibbs energy  for the formation of some oxides (Ellingham diagram).
An element can reduce the oxide of another element if the standard free energy of formation of the oxide of the former is more negative than the latter.
It can be observed from the given graph that above 1073 K (approx.), . So, coke will reduce FeO, and will itself be oxidised to CO.

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