Answer:
The correct answer is option B. Potassium di hydrogen phosphate (КН2РО4).
Explanation:
Potassium di hydrogen phosphate is inorganic compound because it does not contain carbon ring. Inorganic compound are those compounds which does not contain hydrogen and carbon atom. Potassium di hydrogen phosphate (КН2РО4) is used as a fertilizer for the plant and buffering agent. It also used as a food additives.