Solution:
Phenol was discovered by Runge in the middle oil fraction of coal-tar distillation and named it 'carbolic acid' or phenol containing 5% water in liquid at room temperature and it is termed as carbolic acid.
Carbolic acid is
Phenol was discovered by Runge in the middle oil fraction of coal-tar distillation and named it 'carbolic acid' or phenol containing 5% water in liquid at room temperature and it is termed as carbolic acid.