A) SRP values of halogens \[{{X}_{2}}(g){{X}^{-}}:\] \[{{F}_{2}}>C{{l}_{2}}>B{{r}_{2}}>{{I}_{2}}\]
B) Boiling points of \[{{I}_{2}}>B{{r}_{2}}>C{{l}_{2}}>{{F}_{2}}\]
C) Bond dissociation enthalpy of \[C{{l}_{2}}>{{F}_{2}}>B{{r}_{2}}>{{I}_{2}}\]
D) Reducing power of \[{{I}^{-}}>B{{r}^{-}}>C{{l}^{-}}>{{F}^{-}}\]
Correct Answer: C
Solution :
[c] The correct order of bond dissociation enthalpy is \[\underset{(242.6)}{\mathop{C{{l}_{2}}}}\,\,>\,\underset{(192.8)}{\mathop{B{{r}_{2}}}}\,\,>\,\underset{(158.8)}{\mathop{{{F}_{2}}}}\,\,>\,\underset{(151.1)}{\mathop{\,{{I}_{2}}}}\,\]
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