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Identify the incorrect statement with respect to antibiotics.

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Identify the incorrect statement with respect to antibiotics.

(a) Arsphenamine is toxic to humans

(b) Ampicillin is a broad-spectrum antibiotic

(c) Penicillin is bacteriostatic antibiotic

(d) Sulphanilamide has antibacterial properties

This question was posed to me during an interview.

This key question is from Therapeutic Action of Different Classes of Drugs topic in chapter Chemistry in Everyday Life of Chemistry – Class 12

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Right option is (c) Penicillin is bacteriostatic antibiotic

The explanation: Penicillin is an antibacterial compound derived from Penicillium. It has a bactericidal effect on microbes. Ampicillin is a modified version of penicillin with a wider spectrum. Arsphenamine is an -As=As- linkage compound that resists bacterial action and is also toxic to human beings. Sulphanilamide is an active antibiotic compound formed in the body.

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