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NEET Sample Paper NEET Sample Test Paper-79

  • question_answer
    On the extreme left are groups I and n elements. These include alkali and alkaline earth metals or \[\operatorname{s}-block\] elements. These elements have strong electropositive character. Now, which of the following has largest size in aqueous ion?

    A)  \[R{{b}^{+}}\]                                  

    B)  \[N{{a}^{+}}\]

    C)  \[{{K}^{+}}\]                                    

    D)  \[L{{i}^{+}}\]

    Correct Answer: D

    Solution :

    \[L{{i}^{+}}\] being smallest in size has highest hydration enthalpy. That?s why it becomes largest in aqueous solution.


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