• # question_answer Which of the following is correct [CPMT 1971] A) All carbonates are soluble in water B) Carbonates of $Na,$ $K$ and  $N{{H}_{4}}$ are soluble in water C) Carbonates of $Ca,$ $Sr,$ $Ba$ are soluble in water D) All carbonates are insoluble

$N{{a}_{2}}C{{O}_{3}},{{K}_{2}}C{{O}_{3}}$ and ${{(N{{H}_{4}})}_{2}}C{{O}_{3}}$ are soluble in water because hydration energy is more than lattice energy