JEE Main20208 Jan 2020Evening ShiftChemistryChemical Bonding and Molecular StructureActual
Arrange the following bonds according to their average bond energies in descending order: C - C l , C - B r , C - F , C - I
Options
- AC - F > C - C l > C - B r > C - I
- BC - B r > C - I > C - C l > C - F
- CC - I > C - B r > C - C l > C - F
- DC - C l > C - B r > C - I > C - F
Correct answer
A. C - F > C - C l > C - B r > C - I
Step-by-step solution
Bond energy ∝ 1 B o n d l e n g t h Bond length order in carbon halogen bonds arein the order of C – F C – Cl > C – Br > C – I