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JEE Main & Advanced Chemistry The s-Block Elements / s-ब्लॉक के तत्व Question Bank Self Evaluation Test - The s-Block Elements

  • question_answer
    Aqueous solution of a group 2 element is precipitated by adding \[N{{a}_{2}}C{{O}_{3}},\] then this precipitate is tested on flame, no light in visible region is observed , this element can be

    A) \[Ba\]   

    B) \[Mg\]  

    C) \[Ca\]  

    D) \[Sr\]

    Correct Answer: B

    Solution :

    [b] Electrons in Mg due to its small size are tightly bound so they cannot be excited by the flame.


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