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JEE Main & Advanced Chemistry Classification of Elements and Periodicity in Properties / तत्त्वों का वर्गीकरण एवं गुणों में आवर्ति Question Bank Atomic and lonic radii

  • question_answer
    Chloride ion and potassium ion are isoelectronic. Then [KCET 2002]

    A) Potassium ion is relatively bigger

    B) Depends on the other cation and anion

    C) Their size are same

    D) Chloride ion is bigger than potassium ion

    Correct Answer: D

    Solution :

    Chloride ion and potassium ion are isoelectronic, isoelectronic ions are those ions having same number of electrons. \[K=2,\,8,\,8,\,1\] \[{{K}^{+}}=2,\,8,\,8\] \[Cl=2,\,8,\,7\] \[Cl=2,\,8,\,8\]


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