6. A crystal of the purple compound potassium manganate (VII) is placed at the bottom of a beaker of water and the beaker left until there is no further change. What will be observed? A a uniformly purple

6.

A crystal of the purple compound potassium manganate (VII) is placed at the bottom
of a beaker of water and the beaker left until there
is no further change. What will be
observed?
A a uniformly purple solution.
B
a purple layer below a colourless layer.
С a colourless layer below a purple layer.
D a deep purple layer below a pale purple layer.
Sec 3/KPT and SMS/2021
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