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JEE Advanced levelNumerical answerDifficulty 3 of 3pt217

Element M has eV and eV, while element X has eV and eV. Convert Mulliken electronegativities (eV) to the Pauling scale by dividing by 2.8, and then use the Hannay-Smyth relation, percent ionic character , to find the percent ionic character of the M-X bond. Give the answer to the nearest integer.

Numerical answer type, answer in %, tolerance 0.6.

Answer: 38 %

Mulliken values are eV for M and eV for X. On the Pauling scale these are 1.018 and 2.732, so . Percent ionic character , i.e. 38.
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