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Scales of Electronegativity

The ionizatio...

Question

The ionization energy and electron affinity of an element are 17.42 eV and 3.42 eV respectively, find the E.N. of the element on pauling scale is:

A

10.435

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B

3.726

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C

0.166

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D

2.88

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Solution

The correct option is B 3.726
Electronegativity on mulliken scale $= (I . E + E . A) / 2 = 10.92$ .

E.N pn pauling scale $= \frac{E . N o n m u l l i k e n s c a l e}{2.8} = 3.726$ .

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