Q. In which of the following molecules are all the bonds not equal ?
A) ClF₃
B) BF₃
C) AlF₃
D) NF₃
Explanation
[Solution from source] ClF₃ has 3 bond pairs and 2 lone pairs on Cl (sp³d), giving a T shape with two longer axial Cl–F bonds and one shorter equatorial bond. BF₃ and AlF₃ are trigonal planar and NF₃ is pyramidal, each with three identical bonds. Answer (1).
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.