MCQ
Which combination is best explained by the co-ordinate covalent bond
- ✓${H^ + } + {H_2}O$
- B$Cl + Cl$
- C$Mg + \frac{1}{2}{O_2}$
- D${H_2} + {I_2}$
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$CaCO _3( s ) \rightleftharpoons CaO ( s )+ CO _2( g )$
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