The correct option is
C Carbolic acid
The explanation for the correct option:
Option(C):Carbolic acid
- Phenol is generally used by the name carbolic acid when it is mostly used as a disinfectant.
- The structure of the compound can be given as:
![What is the formula of carbolic acid? - Quora](https://search-static.byjusweb.com/assets/question-images/image.png_img_upload_solution_2022-06-28 12:44:32.501781.png)
- It is known to be acidic in nature and contains the group on the aromatic ring.
The explanation for the incorrect option:
Option(A):Salicylic acid
- Phenol is not called by the name Salicylic acid.
- The structure of the compound can be given as:
![Difference Between Salicylic Acid and Acetylsalicylic Acid | Compare the Difference Between Similar Terms](https://search-static.byjusweb.com/assets/question-images/image.png_img_upload_solution_2022-06-28 12:43:30.191523.png)
- Hence, the given option is the incorrect one.
Option(B): Benzyl alcohol
- Benzyl alcohol is not the name used for Phenol.
- The structure of the compound can be given as:
![Benzyl alcohol - Wikipedia](https://search-static.byjusweb.com/assets/question-images/1200px-Alkohol_benzylowy.svg.png)
- Thus, the given concept does not represent the correct concept.
Option(D):Salol
- Phenol is not called by the name Salol.
- The structure of the compound can be given as:
![Chemical structure of salol. | Download Scientific Diagram](https://search-static.byjusweb.com/assets/question-images/Chemical-structure-of-salol.png)
- Thus, the given concept does not coincide with the correct concept.
Hence, phenol is also called carbolic acid, option (C) is the correct answer.