Arrange the following bonds according to their average bond energies in descending order. C – Cl , C – Br , C – F , C – I

Question

Arrange the following bonds according to their average bond energies in descending order. C – Cl , C – Br , C – F , C – I, C – F > C – Cl > C – Br > C – I, C – I > C – Br > C – Cl > C – F, C – Br > C – I > C – Cl > C – F, C – Cl > C – Br > C – I > C – F

MARKS App · Accepted Answer

Bond energy ∝ 1 Bond length As on moving down the group size increases so bond length increases hence bond energy decreases. Bond energy C – F > C – Cl > C – Br > C – I

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