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JEE Main202310 Apr 2023Morning ShiftChemistryChemical Bonding and Molecular StructureActual

The sum of lone pairs present on the central atom of the interhalogen IF 5 and IF 7 is ______

Correct answer

0

Step-by-step solution

In IF 5 , the central atom is iodine, which has 7 valence electrons. Iodine in this molecule has 5 bonding pairs and 1 lone pair. Therefore, the number of lone pairs on the central atom of IF 5 is 1 . In IF 7 , the central atom is also iodine, which has 7 valence electrons. Iodine in this molecule has 7 bond pairs and 0 lone pairs. Therefore, the number of lone pairs on the central atom of IF 7 is 0 . Therefore, the sum of the number of lone pairs in the central atom of IF 5 and IF 7 is 1 + 0 = 1 . .

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