A) \[{{C}_{6}}{{H}_{5}}CHO\]
B) \[{{C}_{6}}{{H}_{6}}\]
C) \[{{C}_{6}}{{H}_{5}}COOH\]
D) \[{{C}_{6}}{{H}_{5}}OH\]
Correct Answer: B
Solution :
Phenol was discovered by Runge in the middle oil fraction of coal-tar distillation and named it ?carbolic acid? (carbo-coil, oleum = oil) or phenol containing 5% water in liquid at room temperature and it is termed as carbolic acid.
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