1.

Pauling's equation for determining the electronegativity of an element is

Answer»

`X_(A)-X_(B)=0.208sqrt(Delta)`
`X_(A)+X_(B)=0.208sqrt(Delta)`
`X_(A)-X_(B)=0.208 Delta^(2)`
`X_(A)-X_(B)= sqrt(Delta)`

Solution :ACCORDING to PAULING, `X_(A)-X_(B)=0.208sqrt(Delta)`
`or, X_(A)-X_(B)=0.208[E_(A-B)-(E_(A-A)xxE_(B-B))^(1//2)]^(1//2)`


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