Questions
Which one of the following statements is correct when is passed through acidified solution?
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By Expert Faculty of Sri Chaitanya
a
SO2 is reduced.
b
Green Cr2SO43 is formed.
c
The solution turns blue.
d
The solution is decolourised.
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Correct option is B
K2Cr2O7+H2SO4+3SO2→K2SO4+Cr2SO43+H2Oaq. Cr2SO43 is green coloured solution.Similar Questions
Acidified potassium dichromate is treated with hydrogen sulphide. In the reaction, the oxidation number of chromium
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