Question

What would you expect to see as the following redox reaction takes place?
Mg(s) + ZnCl2(aq) MgCl2(aq) + Zn(s)

A. A strip of magnesium metal gets coated with zinc.
B. A precipitate of magnesium chloride forms.
C. A precipitate of zinc chloride dissolves.
D. A strip of zinc metal disappears.

Answer 1

Mg(s) + ZnCl2(aq) ----> MgCl2(aq) + Zn(s)

Answer 2

@nechirwan

Answer 3

@aaronq ?

Answer 4

C. A precipitate of zinc chloride dissolves.

Answer 5

thanks @nechirwan

Answer 6

ZnCl2 is very soluble, 4320 g/L (25 °C)

it doesnt precipitate

http://en.wikipedia.org/wiki/Zinc_chloride

Answer 7

@aaronq wait so it's not C?

Answer 8

nope A is the only possible option

Answer 9

thanks @aaronq :)

Answer 10

no probs