The number of lone pairs of electrons on the | vedclass

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(A) The $I_{3}^{-}$ ion has a linear structure where the central iodine atom is bonded to two other iodine atoms.The central iodine atom has $7$ valen

Vedclass · Accepted Answer

$3$

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(A) The $I_{3}^{-}$ ion has a linear structure where the central iodine atom is bonded to two other iodine atoms.The central iodine atom has $7$ valence electrons.It forms $2$ single bonds with the other two iodine atoms,using $2$ electrons.Including the negative charge,the total number of electrons around the central iodine atom is $7 + 1 = 8$.After forming $2$ bonds,the remaining electrons are $8 - 2 = 6$,which form $3$ lone pairs.Therefore,the number of lone pairs on the central $I$ atom is $3$.

The number of lone pairs of electrons on the central $I$ atom in $I_{3}^{-}$ is $.......$

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