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Bond angle in PH4+ is higher …

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Bond angle in PH4+ is higher than in PH3 why?
  • 2 answers

Mukul Daksh 3 years, 11 months ago

Due to in PH5 the repulsion between lonepair-bondpair is more than that of bondpair-bondpair PH4+ ion

Yogita Ingle 3 years, 11 months ago

PH3​(Phosphine) is a hydride of phosphorous. Phosphine is a gas and has pyramidal structure.Phosphorous involved sp3​ hybridized.  Both PH4+ PH3​ have sp3​ hybridisation state for phosphorous.In PH4+, all the four orbitals are bonded, whereas in PH3​, there is a lone pair electrons on phosphorous inPH4+, the H-P-H bond angle is tetrahedral angle of 109.50. But in PH3​, lone pair-bond pair repulsion is more than bond pair- bond pair repulsion so, that bond angles become less than normal tetrahedral angle.The bond angle in PH3​ is about 93.60

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