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Question

Chemistry Question on trends in periodic table

Which of the following is second most electronegative element?

A

Chlorine

B

Oxygen

C

Sulphur

D

Fluorine

Answer

Oxygen

Explanation

Solution

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