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JEE Main & Advanced Chemistry Classification of Elements and Periodicity in Properties / तत्त्वों का वर्गीकरण एवं गुणों में आवर्ति Question Bank Self Evaluation Test - Classification of Elements and Periodicity in Properties

  • question_answer
    The electronegativity follows the order

    A) \[F>O>Cl>Br\]  

    B) \[~F>Cl>Br>O\]

    C) \[~O>F>Cl>Br\]          

    D) \[~Cl>F>O>Br\]

    Correct Answer: A

    Solution :

    [a] F and O belong to 2nd period whereas Cl and Br belong to 3rd and 4th periods respectively. Hence the sequence of the E.N. is \[F>O>Cl>Br\]


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