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  4. 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, BF 4-, CIF 3, AsF 3, PCl 5, BrF 5, XeF 4, SF 6

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

JEE MainJEE Main 2021Chemical Bonding and Molecular Structure

Solution:

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Two l. p. on central atom is $= ClF _{3}, XeF _{4}$