Selected properties of ethyl halides (CH3CH2X)

▪ Table

Selected properties of ethyl halides (CH₃CH₂X)

compound halogen

(X) carbon-

halogen bond

distance (Å) dipole

moment*

bc; (D)

fluoroethane F               1.38             1.92       

chloroethane Cl              1.78             1.98       

bromoethane Br              1.94             2.01       

iodoethane I                2.14             1.87       

compound carbon-halogen

bond dissociation

energy (kcal/mol) boiling point

(°C)

fluoroethane 107            −32             

chloroethane 81            12             

bromoethane 68            38             

iodoethane 54            72             

*Dipole moments measured in the vapour stage.

See as table:

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