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The octet rule is a good rule for organic structures where the majority of atoms are C, N, and O. However, for inorganic compounds, sometimes an atom can accommodate more than eight electrons.
Draw the structure of the bromite ion (BrO2− ), obeying the octet rule. (Assign radical electrons, lone pairs, and atomic charges as appropriate.)

Answer :

Answer : The Lewis-dot structure of [tex]BrO_2^-[/tex] is shown below.

Explanation :

Octet rule :

In order to attain stability the atoms tends to have eight electrons in its valence shell which can be obtained by either by sharing of electrons of complete transfer of electrons.

The tendency of atoms to attempt to get a noble gas configuration that is eight valence electrons is said to be octet rule.

Lewis-dot structure : It shows the bonding between the atoms of a molecule and it also shows the unpaired electrons present in the molecule.

In the Lewis-dot structure the valance electrons are shown by 'dot'.

The given molecule is, [tex]BrO_2^-[/tex]

As we know that bromine has '7' valence electrons and oxygen has '6' valence electrons.

Therefore, the total number of valence electrons in [tex]BrO_2^-[/tex] = 7 + 2(6) + 1 = 20

According to Lewis-dot structure, there are 6 number of bonding electrons and 14 number of non-bonding electrons.

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