Of the interhalogen $\mathrm{AX}_{3}$ compounds, $\mathrm{ClF}_{3}$ is most reactive but $\mathrm{BrF}_{3}$…

Of the interhalogen $\mathrm{AX}_{3}$ compounds, $\mathrm{ClF}_{3}$ is most reactive but $\mathrm{BrF}_{3}$ has higher conductance
in liquid state. This is because
  1. $\mathrm{BrF}_{3}$ has higher molecular mass.
  2. $\mathrm{ClF}_{3}$ is more volatile.
  3. $\mathrm{BrF}_{3}$ dissociates into $\mathrm{BrF}_{2}^{+}$ and $\mathrm{Br} \mathrm{F}_{4}^{-}$ most easily.
  4. Electrical conductance does not depend on concentration.

Solution

In liquid state $\mathrm{BrF}_{3}$ dissociates into $\mathrm{BrF}_{2}$ and $\mathrm{Br} \mathrm{F}_{4}^{-}$ ions most easily. /

Asked in: JEE-TOPICTESTS-CHEMISTRY

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