JEE Main & Advanced Chemistry Alkali Metals Question Bank Alkali Metals

  • question_answer In certain matters lithium differs from other alkali metals, the main reason for this is [MP PET/PMT 1998]

    A) Small size of Li atom and \[L{{i}^{+}}\] ion

    B) Extremely high electropositivity of \[Li\]

    C) Greater hardness of \[Li\]

    D) Hydration of \[L{{i}^{+}}\] ion

    Correct Answer: A

    Solution :

    Small atomic and ionic size leads to high electronegativity and hydration energy. Small atomic and ionic size leads to high electronegativity and hydration energy.

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