(Solution) - In the series of group 5A hydrides of general formula -(2025 Original AI-Free Solution)

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In the series of group 5A hydrides, of general formula MH3, the measured bond distances are P - H, 1.419 Å; As - H, 1.519 Å; , 1.707 Å.
(a) Compare these values with those estimated by use of the atomic radii in Figure 7.6.
(b) Explain the steady increase in M - H bond distance in this series in terms of the electronic configurations of the M atoms.