PolymerMedium
Question
To detect iodine in presence of bromine, the sodium extract is treated with NaNO2 + glacial acetic acid + CCl4. Iodine is detected by the appearance of:
Options
A.yellow colour of CCl4 layer
B.purple colour of CCl4
C.brown colour in the organic layer of CCl4
D.deep blue colour in CCl4
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