At the temperature corresponding to whic...

At the temperature corresponding to which of the points in Fig. `FeO` will be reduced to Fe by coupling the reaction `2Fe rarr 2Fe +O_(2)` with all of the following reactions?
(a) `C + O_(2) rarr CO_(2)` (b) `2C +O_(2) rarr 2CO` and (c) `2CO +O_(2) rarr 2CO_(2)`

A

Point A

B

Point B

C

Point D

D

Point E

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The correct Answer is:

2,4

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