In the lewis structure of the iodate ion, io3–, that satisfies the octet rule, the formal charge on the central iodine atom is

Answer :  The formal charge on the central iodine atom is, Zero (0).

Explanation :

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,

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

Therefore, the total number of valence electrons in = 7 + 3(6) + 1 = 26

According to Lewis-dot structure, there are 10 number of bonding electrons and 16 number of non-bonding electrons.

Now we have to determine the formal charge on the central iodine atom.

Formula for formal charge :

Hence, the Lewis-dot structure of is shown below.

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the number of valence electrons for each molecule or ion is shown beneath the structure. remember hydrogen will not have more than two electrons. this hydrogen is part of a covalent bond (sharing two electrons). a double bond here would cause hydrogen to share four electrons with phosphorus.