Predict the behavior of NH₃ when it reacts with BF₃.

• A. NH₃ will accept a lone pair from BF₃, forming a Lewis adduct.
• B. NH₃ will donate a lone pair to BF₃, forming a Lewis adduct.
• C. NH₃ will form a covalent bond with BF₃ without electron pair sharing.
• D. NH₃ will donate a proton to BF₃.

Answer: (B)