Chemistry, 21.03.2021 08:40, aubreyfoster
Gaseous compound X is an oxidising agent. X is bubbled through separate solutions of aqueous
potassium iodide and acidified potassium manganate(VII).
Х
Х
aqueous
potassium iodide
acidified potassium
manganate(VII)
Which row shows the colour changes when X is bubbled through these two solutions?
aqueous
potassium iodide
acidified potassium
manganate(VII)
A
brown to colourless
B
brown to colourless
no change
purple to colourless
no change
с
colourless to brown
D
colourless to brown
purple to colourless
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