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NEET UG CHEMISTRY MCQ: CHEMISTRY IN EVERYDAY LIFE
1
Medium
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Understanding
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Which of the following statements are correct?
i) Polynuclear hydrocarbons contain two or more benzene rings fused together
ii) Polynuclear hydrocarbons have carcinogenic property
iii) Polynuclear hydrocarbons are formed on incomplete combustion of organic materials like tobacco, coal and petroleum
iv) They are also produced in human body due to various biochemical reaction
i) Polynuclear hydrocarbons contain two or more benzene rings fused together
ii) Polynuclear hydrocarbons have carcinogenic property
iii) Polynuclear hydrocarbons are formed on incomplete combustion of organic materials like tobacco, coal and petroleum
iv) They are also produced in human body due to various biochemical reaction
View answer and explanation
Correct option: D
(i), (ii) and (iii)
Option D is correct because statements (i), (ii), and (iii) accurately describe polynuclear hydrocarbons: their structure, carcinogenic properties, and formation.