Consider the following statements for Allred-Rochow electronegativity (AR): (i) AR is directly proportional… · ABC26IN0980

Subject: Inorganic Chemistry · Chapter: Chemical Bonding · Topic: Chemical Bonding – General · Exam: CSIR NET DEC 2019 · Marks: 2 · Difficulty: Medium

Consider the following statements for Allred-Rochow electronegativity (AR): (i) AR is directly proportional to $\mathrm{Z}_{\text {eff }}$ (ii) AR is inversely proportional to $\mathrm{Z}_{\text {eff }}$ (iii) AR is inversely proportional to r(covalent) (iv) AR is inversely proportional to $\mathrm{r}^{2}$ (covalent) The correct statements are
(a)(i) and (iv)
(b)(ii) and (iv)
(c)(i) and (iii)
(d)(ii) and (iii)
Answer
Answer: A ✓ checked by 4AB · confidence high
Explanation
Allred–Rochow χ ∝ Z_eff/r² — (i) and (iv) (a).

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