9. Hydricarbon — Chemistry STD 11 Science — Question

$(a)$ Polarising power of cation

$(b)$ Extent of distortion of anion

$(c)$ Polarisability of the anion

$(d)$ Polarising power of anion

$CaCO _3( s ) \rightleftharpoons CaO ( s )+ CO _2( g )$

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