Correct expression of "Allred and Rochow's" scale is : \( P \) (a) Electronegativity \( =0.744 \...

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Correct expression of "Allred and Rochow's" scale is :
\( P \)
(a) Electronegativity \( =0.744 \frac{Z_{\text {eff. }}}{r^{2}}+0.359 \)
WV
(b) Electronegativity \( =0.359 \frac{r^{2}}{Z_{\text {eff. }}}+0.744 \)
(c) Electronegativity \( =0.359 \frac{Z_{\text {eff. }}}{r}+0.744 \)
(d) Electronegativity \( =0.359 \frac{Z_{\text {eff. }}}{r^{2}}+0.744 \)
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