Question : An antibiotic effective in treatment of pneumonia , bronchitis etc. , is

(1) penicillin.

(2) patalin.

(3) chloromycetin.

(4) tetracycline.

Answer : from all above options the correct answer is “(3) chloromycetin.” it means we can say that chloromycetin is An antibiotic effective in treatment of pneumonia , bronchitis , etc. that is why options (3) is correct answer. in short we can say that Chloromycetin is a broad range antibiotic.

explanation of answer : chloromycetin is a type of drug or medicines or substances which are work like antibiotic that can be used to treat different types of bacterial infections which includes pneumonia , bronchitis , it means the chloromycetin is effective in treatment of pneumonia , bronchitis , etc. that is why we have marked this options for our correct answer. The chemical formula of chloromycetin is “C₁₁H₁₂Cl₂N₂O₅” and it molar mass is “323.132 g/mol” , it also used to treat different types of diseases like meningitis, plague, cholera, and typhoid fever.