Between HF,HCl,HBr and HI,HF has the highest | vedclass

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(B) The ionic character of a covalent bond is directly proportional to the electronegativity difference between the bonded atoms. Fluorine $(F)$ is th

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In $HF$,electronegativity difference is highest

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(B) The ionic character of a covalent bond is directly proportional to the electronegativity difference between the bonded atoms. Fluorine $(F)$ is the most electronegative element in the periodic table. Therefore,the electronegativity difference between $H$ $(2.1)$ and $F$ $(4.0)$ is the highest among the given hydrogen halides,leading to the highest ionic character in $HF$.

Between $HF$,$HCl$,$HBr$ and $HI$,$HF$ has the highest ionic character because

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