Which of the following bonds is the most cova | vedclass

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(C) According to Fajan's rule,the covalent character of a bond increases as the electronegativity difference between the bonded atoms decreases.Electr

Vedclass · Accepted Answer

$C - S$

Vedclass · Answer

(C) According to Fajan's rule,the covalent character of a bond increases as the electronegativity difference between the bonded atoms decreases.Electronegativity values on the Pauling scale are: $C = 2.55$,$F = 3.98$,$O = 3.44$,$S = 2.58$,and $Br = 2.96$.The electronegativity differences are:$|C - F| = |2.55 - 3.98| = 1.43$$|C - O| = |2.55 - 3.44| = 0.89$$|C - Br| = |2.55 - 2.96| = 0.41$$|C - S| = |2.55 - 2.58| = 0.03$Since the electronegativity difference is the smallest for the $C - S$ bond,it possesses the most covalent character.

Which of the following bonds is the most covalent?

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