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On heating which of the following releas...

On heating which of the following releases `CO_2` most easily -

A

`K_2CO_3`

B

`Na_2CO_3`

C

`MgCO_3`

D

`CaCO_3`

Text Solution

Verified by Experts

The correct Answer is:
C
The thermal stability of the given compounds follows the order: `K_2CO_3 gt Na_2CO_3 gt CaCO_3 gt MgCO_3`.
Thus, `MgCO_3` is able to release `CO_2` most easily on heating. `MgCO_3 overset(Delta)to MgO + CO_2`
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