Three liquids X, Y and Z containing only hydrogen and carbon were burnt on a spoon. X and Y burnt with sooty flames while Z did not. Y is able to discharge the colour of bromine water whereas X and Z cannot. Which of the liquids would be aromatic in nature?
-
A.
X and Z -
B.
Y -
C.
X -
D.
Z
Correct Answer: Option C
Explanation
Aromatic compounds burn with a yellow sooty flame and they don’t decolorise bromine water, since bromine is not electrophilic enough except in the presence of a strong Lewis catalyst.