1.

Which one of the following arrangements do not give the correct picture of the trends indicated against it ?

Answer»

`F_(2) gt Cl_(2) gt Br_(2) gt I_(2)` : Bond DISSOCIATION ENERGY
`F_(2) gt Cl_(2) gt Br_(2) gt I_(2)` : ELECTRONEGATIVITY
`F_(2) gt Cl_(2) gt Br_(2) gt I_(2)` : Oxidizing power
`F_(2) gt Cl_(2) gt Br_(2) gt I_(2)` : Electron gain enthalpy

Solution :(a) Bond dissociation energy decreases in the order : `Cl_(2) gt Br_(2) gt F_(2) gt I_(2)`
(d) Negative electron gain enthalpy decreases in the order : `Cl_(2) gt F_(2) gt Br_(2) gt I_(2)`.


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