1.

Correct expression of "allred and Rochow's " scale is :

Answer»

ELECTRONEGATIVITY`=0.744(Z_(eff))/(R^(2))+0.359`
Electronegativity `=0.359(r^(2))/(Z_(eff))+0.744`
Electronegativity`=0.359(Z_(eff))/(r)+0.744`
Electronegativity=`0.359(Z_(eff))/(r^(2))+0.744`

SOLUTION :According to allred and rochow scale
(C) `EN_((AR))=0.359(Z_(eff))/(r)+0.744` (r: radius in Å)


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