When hydrogen sulphide and sulphur dioxide are each passed in turn into a solution of potassium dichromate?
a
both gases change the colour of the solution from yellow to colourless
b
both gases causes sulphur to be deposited
c
only hydrogen sulphide decolourizes the solution
d
only sulphur dioxide deposits sulphur
e
only hydrogen sulphide deposits sulphur
Explanation
Correct Option
eNo explanation available
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Discussions (7)
MACCIFO
1 year ago
When hydrogen sulphide is bubbled through an acidification solution of potassium heptaoxodichromate (IV), The solution changes from orange to pink. Sulphur is also deposited
Idowuayomideolaniyi
1 year ago
yes. KCr2O7 is acting as oxidising agent here.
H2S to Sulphur
SO2 ro SO3
