NEET Sample Paper NEET Sample Test Paper-71

  • question_answer
    Select similarity between alkali metals and coinage metals.

    A) Both are required to store in organic solvent

    B) Both have high solubility in pure liquid ammonia to produce blue solution

    C) Both can be extracted by aqueous salt electrolysis

    D) Both have the same number of electron(s) in outermost shell

    Correct Answer: D

    Solution :

    Electronic configuration of alkali metals \[=\,\,\,\left[ N.G. \right]n{{s}^{1}}\] Electronic configuration of coinage metal \[(Cu,Ag,Au)=[N.G.\,\,(n-1){{d}^{10}}\,n{{s}^{1}}]\]


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