MCQ
The thermal dissociation equilibrium of $CaCO _3( s )$ is studied under different conditions.
$CaCO _3( s ) \rightleftharpoons CaO ( s )+ CO _2( g )$
For this equilibrium, the correct statement(s) is (are)
$(A)$ $\Delta H$ is dependent on $T$
$(B)$ $K$ is independent of the initial amount of $CaCO _3$
$(C)$ $K$ is dependent on the pressure of $CO _2$ at a given $T$
$(D)$ $\Delta H$ is independent of the catalyst, if any
- A$(A,B,C)$
- ✓$(A,B,D)$
- C$(A,C,D)$
- D$(B,C,D)$
