Respuesta :
Pure copper will be left in the vial when CuCl_2 (Copper Chloride,) a solid powder, is reacted with Aluminum (Al), a solid, in a solution.
Hence, option D is correct.
What is a single replacement reaction?
A single replacement reaction, sometimes called a single displacement reaction, is a reaction in which one element is substituted for another element in a compound.
Aluminium reacts with copper(II) chloride, [tex]CuCl _2[/tex], to form copper metal and aluminium chloride, [tex]AlCl _3[/tex].
Hence, option D is correct.
Learn more about single replacement reaction here:
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