• question_answer What is the maximum number of open chain structures possible for ${{C}_{4}}{{H}_{8}}$ [MP PET 2001] A) 2 B) 3 C) 4 D) 1

Three isomeric structures are possible for ${{C}_{4}}{{H}_{8}}$ ${{H}_{2}}C=CH-C{{H}_{2}}-C{{H}_{3}}$ $C{{H}_{3}}-CH=CH-C{{H}_{3}}$ $C{{H}_{3}}-{{\underset{C{{H}_{3}}\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,}{\mathop{\underset{|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,}{\mathop{C\,=C{{H}_{2}}\,\,\,\,}}\,}}\,}_{{}}}$