What is the Lewis Dot Structure for Phosphorus trichloride?

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What is the Lewis Dot Structure for Phosphorus trichloride?

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Answer 1 · 2016-04-04T16:53:07

There are $3 \times 7 + 5 = 26$ $3xx7+5=26$ valence electrons to distribute, i.e. $13 electron pairs$ $13 " electron pairs"$ .

Explanation:

Around EACH bound $C l$ $Cl$ atom there are 3 lone pairs; there are $3 \times P - C l$ $3xxP-Cl$ bonds; the thirteenth lone pair resides on phosphorus: $: P {(- C l)}_{3}$ $:P(-Cl)_3$ . Since there are 4 electron pairs around phosphorus, the geometry is based upon a tetrahedron, but since one of these electron pairs is a stereochemically active non-bonding pair, the geometry around phosphorus is described as trigonal pyramidal.

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What is the Lewis Dot Structure for Phosphorus trichloride?

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