Two test tubes containing a nitrate and a bromide are treated separately with H2SO4 brown fumes evolved are passed in water. The water will be coloured by vapours evolved from the test tube containing:
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a
Nitrate
b
Bromide
c
Both (1) and (2)
d
None of these
answer is B.
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Detailed Solution
Br2+H2O⟶ Brown colour N2O+H2O⟶ Colourless Br2 imparts brown colour to the aqueous solution while NO2 does not.