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Which of the following molecules has a linear arrangement of atoms?

1. NH4+ with sp3 hybridization
2. CH4 with sp3 hybridization
3. SF4 with sp3d hybridization
4. BF4- with sp3 hybridization

Correct answer: SF4 with sp3d hybridization

Solution

SF4 has sp3d hybridization and adopts a seesaw shape, which includes a linear pair of atoms in its geometry.

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