8. The preper arrangeancat of a. Solutian used in Dector's ircatment for the removal of mercaptans is 1L - da not normally excecd 25% in kerosene 11= boils between 90200C and comsis s. 12 It consist of long hydrocarbon chains, particutariy aukans, evcloalkanes and aromaties 13-Important factor in determining the quality of diesel fuel 14-Arrange the following hydrocarbon according to increasing in their octane number 1) 3-methylhexane, 2) n-heptane 3) 2-methyl-1-hexene 4) 2,3-dimethylpentane 15- Olefinic hydrocarbons have octane number and ,Sulfur compounds the octane number