• # question_answer 9) Write structures and IUPAC names ofdifferent structural isomers of alkenes corresponding to${{C}_{5}}{{H}_{10}}$.

(i) $\overset{5}{\mathop{C{{H}_{3}}}}\,\overset{4}{\mathop{C{{H}_{2}}}}\,\underset{Pent-1-ene}{\mathop{\overset{3}{\mathop{C{{H}_{2}}}}\,\overset{2}{\mathop{CH}}\,}}\,=\overset{1}{\mathop{C{{H}_{2}}}}\,$ (ii) $\underset{Pent-2-ene}{\mathop{C{{H}_{3}}CH=CHC{{H}_{2}}C{{H}_{3}}}}\,$ (iii) ${{H}_{2}}C=\underset{\underset{\underset{2-Methylbut-1-ene}{\mathop{\text{C}{{\text{H}}_{\text{3}}}}}\,}{\mathop{\text{ }\!\!|\!\!\text{ }}}\,}{\mathop{C}}\,-C{{H}_{2}}C{{H}_{3}}$ (iv) ${{H}_{2}}C=CH-\underset{\underset{\underset{3-Methylbut-1-ene}{\mathop{\text{C}{{\text{H}}_{\text{3}}}}}\,}{\mathop{\text{ }\!\!|\!\!\text{ }}}\,}{\mathop{CH}}\,-C{{H}_{3}}$ (v) ${{H}_{3}}C=\underset{\underset{\underset{2-Methylbut-2-ene}{\mathop{\text{C}{{\text{H}}_{\text{3}}}}}\,}{\mathop{\text{ }\!\!|\!\!\text{ }}}\,}{\mathop{C}}\,-CH-C{{H}_{3}}$