Which of the following is a straight- chain alkane containing 12 carbon atoms that are used as a major component in kerosene and some jet fuel research and also in the rubber and paper processing industry?

Correct option is D

Dodecane is the straight-chain alkane containing 12 carbon atoms.
It is used as a major component in kerosene and jet fuel research and also finds applications in the rubber and paper processing industries.
Options:
 Undecane: Contains 11 carbon atoms, primarily used in the perfume industry.
 Eicosane: Contains 20 carbon atoms, used in cosmetics and personal care products.
 Heptadecane: Contains 17 carbon atoms, less common in commercial applications.
 Dodecane: Contains 12 carbon atoms, versatile in fuel and industrial applications.