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Explain why the bond angle in …

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Explain why the bond angle in ph4 ion is higher then in ph3

Posted by Nikhil Singh 8 years, 2 months ago

CBSE > Class 12 > Chemistry

1 answers

Shirin Kalam 8 years, 2 months ago

InPH3 there are 3 orbitals bonded to H atom and 1 lone pair of e.Lone pair-bond pair repulsion is more than bond pair-bond pair repulsion so its shape changed to pyramidal from tetrahedral and hence angle reduced from 109 deg to 92 deg.But in PH4+ ion there is no lone pair and hence angle is 109deg .So bond angle inPH4+ion is more than PH3

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