question_answer

The compounds that will give an isomer of 2; 2-dimethyl propane on catalytic hydrogenation are [AMU 1999] (1) \[C{{H}_{3}}CH=\underset{C{{H}_{3}}}{\mathop{\underset{|\,\,\,\,\,\,\,\,\,}{\mathop{C\,\,-\,\,}}\,}}\,C{{H}_{3}}\] (2) \[C{{H}_{3}}CH=CHC{{H}_{3}}\] (3) \[\overset{\begin{smallmatrix}  \,\,\,\,\,\,\,\,\,\,\,\,\begin{matrix}    {} & H  \\ \end{matrix} \\  \,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,| \end{smallmatrix}}{\mathop{C{{H}_{3}}C}}\,=CHC{{H}_{2}}C{{H}_{3}}\] (4) \[C{{H}_{3}}\underset{C{{H}_{3}}}{\mathop{\underset{|\,\,\,\,\,\,}{\mathop{C\,\,\,}}\,=}}\,\underset{C{{H}_{3}}}{\mathop{\underset{|\,\,\,\,}{\mathop{C\,}}\,-}}\,C{{H}_{3}}\]

A) 1 and 4

B) 2 and 4

C) 1 and 3

D) 1 and 2