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page 26 q1chemical bonding module and how is there no hybridization in nh3

page 26 q1chemical bonding module and how is there no hybridization in nh3

Grade:11

1 Answers

Naveen Kumar
askIITians Faculty 60 Points
6 years ago
According to the Drago’s rule, In heavier elements, the bonding occurs due to pure p-orbital and the s-electron remain in its pure form.
So in, PH3 the lone-pair remain in the s-orbitalwhile in case of NH3, the lone-pair is in sp3 orbital and since this hybridised orbital is directional so it is more basic as compared to the lone-pair present in spherically symmetricals- orbital in case of PH3.
It happens when the surrounding(here H atom)atom is of electronegativity around 2.5

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