The H-P-H bond angle in PH3 is 93° but that in PH4+ is 109.5°. Why?�

1.	The H-P-H bond angle in PH3 is 93° but that in PH4+ is 109.5°. Why?
Answer» hey mate... here is your answer... In PH4+, the HPH BOND angle is tetrahedral angle of 109.5° . But in PH3, the LONE pair-bond pair REPULSION is higher than bond pair-bond pair repulsion. Thus, the bond angle becomes less than 109.5°. hope it helps...

The H-P-H bond angle in PH3 is 93° but that in PH4+ is 109.5°. Why?

Answer»

hey mate...

here is your answer...

In PH4+, the HPH BOND angle is tetrahedral angle of 109.5° . But in PH3, the LONE pair-bond pair REPULSION is higher than bond pair-bond pair repulsion. Thus, the bond angle becomes less than 109.5°.

hope it helps...

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The H-P-H bond angle in PH3 is 93° but that in PH4+ is 109.5°. Why?​

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The H-P-H bond angle in PH3 is 93° but that in PH4+ is 109.5°. Why?