Question Detail

CHM 101 CHM 101 Past Questions Objective Question

Question

What is the Lewis base in the reaction BF₃ + NH₃ → F₃B-NH₃?
Options
A BF₃
B NH₃
Correct Answer
C H₂O
D F⁻
Correct Answer

Option B is the correct answer.

Detailed Explanation

A Lewis base donates an electron pair. NH₃ has a lone pair on nitrogen and donates it to BF₃ (the Lewis acid).

Hint

Lewis base is the electron pair donor.

Question Info