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Fe(2)O(3) is converted to FeO in the pre...

`Fe_(2)O_(3)` is converted to FeO in the presence of CO at ________

A

473-573 K

B

573-673 K

C

673-773 K

D

773-873 K

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The correct Answer is:
D
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Fe_(2)O_(3) reacts with excess CO at a high temperature according to the equation below: Fe_(2)O_(3) + 3CO rightarrow 2Fe + 3CO_(2) If 6.5-0g of Fe_(2)O_(3) yields 3.85g of Fe, what is the percentage yield of the reaction ?

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A mixture of FeO and Fe_(2)O_(3) is completely reacted with 100 mL of 0.25 M acidified KMnO_(4) solution. The resultant solution was then treated with Zn dust which converted Fe^(3+) of the solution to Fe^(2+) .The Fe^(2+) required 1000 mL of 0.10 MK_(2)Cr_(2)O_(7) solution. Find out the weight % Fe_(2)O_(3) in the mixture.

MARVEL PUBLICATION-GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS-Test Your Grasp
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