question_answer

The I.U.P.A.C. name of   \[C{{H}_{3}}-C{{H}_{2}}-\underset{C{{H}_{3}}}{\mathop{\underset{|}{\mathop{\underset{CH-C{{H}_{3}}}{\mathop{\underset{|}{\mathop{C}}\,}}\,}}\,}}\,H-\overset{C{{H}_{3}}}{\mathop{\overset{|}{\mathop{C}}\,}}\,H-C{{H}_{3}}\]             

A)  2,4-di-methyl-3-ethyl pentane

B)  2-ethyl-2,4-dimethylpentane              

C)  2-methyl-3-isopropyl pentane

D)  3-isopropyl-2-methyl pentane