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Question

n-factor of CO2 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 CO2 formed when CaCO3 is healed
CaCO3(+4)CaO+CO2(+4)+2+x6=0x4=0x=4x=4
There is no change in oxidation state of carbon.
Therefore n-factor is Zero.

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