The number of species below that have two lone pairs of electrons in their central atom is (Round off to the nearest integer) ${SF}_{4}, {CIF}_{3}, {AsF}_{3}, {PCl}_{5}, {BrF}_{5}, {XeF}_{4}, {SF}_{6}$

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answer is 2.

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Detailed Solution

ClF3 and XeF4 have two lone pair of electrons in their central atom.

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