n-factor of CO2 formed when calcium carbonate is heated is - Zero
- 1
- 2
- 3
n-factor of CO2 formed when calcium carbonate is heated is
- Zero
- 1
- 2
- 3
Abhishek Dogra , 7 Years ago
Grade 11
AIIMS MBBS> n-factor of CO 2 formed when calcium carb...
1 Answers
Arun
Last Activity: 7 Years ago
n is equal to 2 for carbonate. How did we arrive with that answer. Here is the justification:
Carbonate, CO3^ 2-, a weak base easily abstracts a hydrogen to give bicarbonate, HCO3^ -. Then the bicarbonate specie would abstract another hydrogen from the environment to give carbonic acid, H2CO3. There are 2 hydrogens needed for every carbonate specie.
The same reasoning is found with phosphate, PO4^ 3-, n = 3. It is not calculated, it is based on reactions undergone by the specie.
Carbonate, CO3^ 2-, a weak base easily abstracts a hydrogen to give bicarbonate, HCO3^ -. Then the bicarbonate specie would abstract another hydrogen from the environment to give carbonic acid, H2CO3. There are 2 hydrogens needed for every carbonate specie.
The same reasoning is found with phosphate, PO4^ 3-, n = 3. It is not calculated, it is based on reactions undergone by the specie.
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