BHU PMT BHU PMT (Screening) Solved Paper-2005

  • question_answer
    Which of the following have high electron affinity? 

    A)  F                                            

    B)  \[Cl\]

    C)  N                                           

    D)  \[O\]

    Correct Answer: B

    Solution :

                     The electron affinity decreases down group and increases from left to right in period but electron affinity of chlorine is more than that of fluorine because of its small size fluorine repels the incoming electron.


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