The dissociation equilibrium of|CHEMISTRY|JEE Advance2013

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The thermal dissociation equilibrium of $\mathrm{CaCO}_3(s)$ is studied under different conditions. $$ \mathrm{CaCO}_3(\mathrm{~s}) \rightleftharpoons \mathrm{CaO}(\mathrm{~s})+\mathrm{CO}_2(\mathrm{~g}) $$ For this equilibrium, the correct statement(s) is (are)

Select ALL correct options:

A

$\Delta \mathrm{H}$ is dependent on T

B

K is independent of the initial amount of $\mathrm{CaCO}_3$

C

K is dependent on the pressure of $\mathrm{CO}_2$ at a given T

D

$\Delta \mathrm{H}$ is independent of the catalyst, if any

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⚠ Partially correct. Some answers are missing.

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