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Bond angle in is PH4^+ higher than that ...

Bond angle in is `PH_4^+` higher than that in `PH_3`

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P. in both .PH_3, PH_4^+. is .sp^3. hybridized. In .PH_4^*. all the four orbitals are bonided, whereas in .PH_3., there is.a lone pair of electrońs on .dotP.. It is responsible for lone - pair-bond pair repulsion in .PH_3. reducing the -bond angle to less than thè normal .109^circ 28. :
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