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Ellingham Diagram

n-factor of ...

Question

n-factor of $C O_{2}$ formed when calcium carbonate is heated is:

A

zero

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B

1

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C

2

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D

3

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Solution

The correct option is A zero
n-factor of ${C O}_{2}$ formed when ${C a C O}_{3}$ is healed
${C a C O}_{3} (+ 4) ⟶ C a O + {C O}_{2} (+ 4) + 2 + x - 6 = 0 x - 4 = 0 x = 4 x = 4$
There is no change in oxidation state of carbon.
Therefore n-factor is Zero.

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