The molecular geometry of PF_3 is .... | vedclass

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(B) The central $P$ atom in $PF_3$ has $5$ valence electrons. It forms $3$ $P-F$ bonds and has $1$ lone pair of electrons.Total electron pairs = $3$ (

Vedclass · Accepted Answer

pyramidal

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(B) The central $P$ atom in $PF_3$ has $5$ valence electrons. It forms $3$ $P-F$ bonds and has $1$ lone pair of electrons.Total electron pairs = $3$ (bonding) + $1$ (lone pair) = $4$.According to $VSEPR$ theory,$4$ electron pairs result in a tetrahedral electron geometry.Due to the presence of one lone pair,the molecular geometry is trigonal pyramidal.Thus,the correct option is $B$.

The molecular geometry of $PF_3$ is $...$.

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