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In which of the following pair both the species have sp3 hybridization?

1. H2S, BF3
2. SiF4, BeH2
3. NF3, BF3
4. NF3, BF3

Correct answer: NF3, BF3

Solution

NF3 has sp3 hybridization due to the presence of three bond pairs and one lone pair, while BF3 has sp2 hybridization as it forms three sigma bonds with no lone pairs. Thus, the correct answer is NF3 and BF3.

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