Purification And Characterisation Of Organic Compounds Question 131
Question: Which of the following statements regarding metallurgy of iron is incorrect-
Options:
A) Reaction $ Fe_3O_4+4CO\xrightarrow{{}}3Fe+4CO_2 $ belongs to lower temperature range (500 - 800K) of the blast furnace.
B) Reaction $ FeO+CO\xrightarrow{{}}Fe+CO_2 $ belongs to higher temperature range (900 -1500K) of the blast furnace.
C) The iron obtained from blast furnace is cast iron with 3% carbon.
D) For reduction of iron oxide to occur $ \Delta G $ of the couple of following reactions should be negative $ FeO(s)\xrightarrow{{}}Fe(s)+\frac{1}{2}O_2(g) $ $ C(s)+\frac{1}{2}O_2(g)\xrightarrow{{}}CO(g) $
Show Answer
Answer:
Correct Answer: C
Solution:
[c] The iron obtained from blast furnace is pig iron with 4% carbon and impurities like S,P, Mn etc., in small amount.
BETA
