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According to the CRC's Handbook Of Chemistry and Physics, the melting point of cadmium bromide is 868 ºC.

Which of the following equations BEST describes what occurs when cadmium bromide is heated to 868 ºC?

A

$CdBr(s)\rightarrow CdBr(l)$

B

$Cd{ Br }_{ 2 }(s)\rightarrow Cd{ Br }_{ 2 }(l)$

C

$Cd{ Br }_{ 2 }(s)\rightarrow Cd(s)+{ Br }_{ 2 }(g)$

D

$Cd{ Br }_{ 2 }(s)\rightarrow { Cd }^{ 2+ }(aq)+2{ Br }^{ - }(aq)$

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