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

  • question_answer
    Which of the following pairs show reverse properties on moving along a period from left to right and from top to down in a group [DCE 2003]

    A) Nuclear charge and electron affinity

    B) Ionisation energy and electron affinity

    C) Atomic radius and electron affinity

    D) None of these

    Correct Answer: C

    Solution :

    Atomic radius increase from top to bottom in a group while decrease from left to right in a period on the other hand electron affinity shows severe trends i.e. decrease from top to bottom in a group and increase from left to right in a period.


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