Q.
What happens during the detection of NO2 gas with Ferrous sulphate?
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a
Blue color is formed
b
Black Brown compound is formed
c
Green color compound is obtained
d
Suffocating odor is obtained
answer is B.
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Detailed Solution
3Fe SO4+NO2+H2SO4→Fe2SO43+FeSO4 . NO+H2OBlack Brown
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