How many lone pairs are on the central atom in BCl3?

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Take a look at the lewis structure of BCl3 –

BCl3 lewis structure


It should be noted that, in lewis’s structure, the lone pairs are represented as dots and bond pairs are as single, double, or triple bonds.

  • By looking at the BCl3 Lewis structure, we see, there are 18 dot electrons means 9 lone pairs present. [∴ 2 dot electrons means one lone pair).
  • But all the one pairs are present on the outer atoms. So, there is no lone pair present on the central atom in BCl3.

how many lone pairs are on the central atom in bcl3

So, the answer to this question is – How many lone pairs are on the central atom in BCl3? – The number of lone pairs present on the central atom in BCl3 is Zero.


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