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Classification of Elements and Periodicity in Properties
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20/08/2021 12:06 pm
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Ionization energies of atoms A and B are 400 and 300 k cal mol–1 respectively. The electron affinities of these atoms are 80.0 and 85.0 k cal mol–1 respectively. Then which is the correct statement regarding electronegativity x?
(a) xA < xB
(b) xA > XB
(c) xA = xB
(d) none of these
1 Answer
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20/08/2021 12:10 pm
Correct answer: (b) xA > XB
Explanation:
Electronegativity of an atom = \(\frac{IE + EA}{2 \times 62.5}\)
where IE and EA are in k cal mol–1.