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What, if anything, is wrong with each of the following structural representations of BrCl3? (Only the...

What, if anything, is wrong with each of the following structural representations of BrCl3?
(Only the lone pairs on the central atom are shown.) uploaded image

A)nothing is wrong

B)too many electrons about the central atom

C)too few electrons about the central atom

D)electrons in wrong locationsuploaded image

A)nothing is wrong

B)too many electrons about the central atom

C)too few electrons about the central atom

D)electrons in wrong locations

uploaded image

A)nothing is wrong

B)too many electrons about the central atom

C)too few electrons about the central atom

D)electrons in wrong locations

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Answer #1
1. Too many electrons around the central atom (B). In BrCl3, 3 of the 7 Br valence electrons are used in Br-Cl bonds. The other 4 (two lone pairs) are placed on Br as lone pairs. This structure has 3 lone pairs, which is 2 electrons too many.

2. Electrons in wrong locations (D). This is an incorrect structure for a molecule with 3 atoms and 2 lone pairs.

3. Nothing is wrong (A). This is the correct structure.
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