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  4. Which of the following is second most electronegative element?

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Q. Which of the following is second most electronegative element?

UP CPMTUP CPMT 2007

Solution:

After fluorine, the most electronegative element is oxygen as per Pauling’s scale of electronegativity
$\chi_{F}=4.0, \chi_{cl}=3.0, \chi_{O}=3.5, \chi_{s}=2.5$