Several fused polynuclear hydrocarbons are known to be highly toxic and carcinogenic, often formed during the incomplete combustion of organic matter like coal and tobacco. Which of the following comp

Question

Several fused polynuclear hydrocarbons are known to be highly toxic and carcinogenic, often formed during the incomplete combustion of organic matter like coal and tobacco. Which of the following compounds is a recognized, potent carcinogenic polynuclear hydrocarbon?

Prashant Kotian · Accepted Answer

Correct answer: A. Fused polynuclear hydrocarbons like 1,2-benzpyrene, 3-methylcholanthrene, and 1,2,5,6-dibenzanthracene are highly toxic and carcinogenic. They are typically formed during the incomplete combustion of tobacco, coal, or petroleum, and undergo biochemical changes in the human body that ultimately damage DNA. Naphthalene, diphenylmethane, and azulene do not possess this extreme carcinogenic profile.

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