Which of the following substances is the most | vedclass

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(C) The ionic character of a compound depends on the electronegativity difference between the bonded atoms. According to Fajan's rule,larger cations w

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$PbCl_2$

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(C) The ionic character of a compound depends on the electronegativity difference between the bonded atoms. According to Fajan's rule,larger cations with lower charge density exhibit more ionic character. Among the given options,$Pb^{2+}$ is a larger cation compared to $C^{4+}$,$Si^{2+}$,or $Sb^{3+}$. $PbCl_2$ shows significant ionic character due to the inert pair effect and the relatively lower polarizing power of the $Pb^{2+}$ ion compared to the other highly covalent species listed. Therefore,$PbCl_2$ is the most ionic among the choices.

Which of the following substances is the most ionic?

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Which of the following represents the correct order of ionic character?

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