The bond angle in ClF₃ is approximately:
In ClF₃ , chlorine is sp³d hybridized with 5 electron pairs (3 bonding, 2 lone), forming a T-shaped molecule with bond angles ~87° due to lone pair repulsion.
Ref: NCERT Class 11 Chemistry > Chapter 4: Chemical Bonding and Molecular Structure > Topic: Covalent Bonding - Bond Parameters and Polarity and Fajan's Rule