JEE Main & Advanced Chemistry The s-Block Elements Question Bank Alkali Metals

  • 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

    Correct Answer: B

    Solution :

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


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