The colour changes observed when testing for reducing age...
The colour changes observed when testing for reducing agents using acidified potassium heptaoxodichromate (VI) solution is?
yellow to purple
orange to green
green to orange
purple to yellow
Correct answer is B
Reducing agent like SO2.
Sulphur dioxide gas (SO2) is bubbled through acidified potassium dichromate. The orange solution turns green.
Which of the following equations represents an oxidizing action of sulphur dioxide? ...
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Which of the following is a set of neutral oxides? ...
In the removal of water hardness, permutit is regenerated with a strong solution of ...
An element X with electronic configuration 1S22S22P63S2 combines with another element Y with...