Which of the following reaction is/are possible?

• A

  $\mathrm{K}\left[\mathrm{BrICl}\right]\stackrel{\mathrm{\Delta }}{\to }\mathrm{KCl}+\mathrm{IBr}$

• B

  $\mathrm{K}\left[\mathrm{BrICl}\right]\stackrel{\mathrm{\Delta }}{\to }\mathrm{KBr}+\mathrm{ICl}$

• C

  $\mathrm{K}\left[\mathrm{BrICl}\right]\stackrel{\mathrm{\Delta }}{\to }\mathrm{KI}+\mathrm{BrCl}$

• D

  All of the above