question_answer 6)

Expand each of the following bond-line formulae to show all the atoms including carbon and hydrogen. (a) (b) (c) (d)  

Answer:

(a)   (b) \[\text{H}-\underset{\underset{\text{H}}{\mathop{\text{ }\!\!|\!\!\text{ }}}\,}{\overset{\overset{\text{H}}{\mathop{\text{ }\!\!|\!\!\text{ }}}\,}{\mathop{\text{C}}}}\,-\underset{\underset{\text{H}}{\mathop{\text{ }\!\!|\!\!\text{ }}}\,}{\overset{\overset{\text{H}}{\mathop{\text{ }\!\!|\!\!\text{ }}}\,}{\mathop{\text{C}}}}\,-\underset{\underset{\text{H}}{\mathop{\text{ }\!\!|\!\!\text{ }}}\,}{\overset{\overset{\text{H}}{\mathop{\text{ }\!\!|\!\!\text{ }}}\,}{\mathop{\text{C}}}}\,-\underset{\underset{\text{H}}{\mathop{\text{ }\!\!|\!\!\text{ }}}\,}{\overset{\overset{\text{H}}{\mathop{\text{ }\!\!|\!\!\text{ }}}\,}{\mathop{\text{C}}}}\,-\underset{\underset{\text{H}}{\mathop{\text{ }\!\!|\!\!\text{ }}}\,}{\overset{\overset{\text{H}}{\mathop{\text{ }\!\!|\!\!\text{ }}}\,}{\mathop{\text{C}}}}\,-\underset{\underset{\text{H}}{\mathop{\text{ }\!\!|\!\!\text{ }}}\,}{\overset{\overset{\text{H}}{\mathop{\text{ }\!\!|\!\!\text{ }}}\,}{\mathop{\text{C}}}}\,-\underset{\underset{\text{H}}{\mathop{\text{ }\!\!|\!\!\text{ }}}\,}{\overset{\overset{\text{H}}{\mathop{\text{ }\!\!|\!\!\text{ }}}\,}{\mathop{\text{C}}}}\,-\underset{\underset{\text{H}}{\mathop{\text{ }\!\!|\!\!\text{ }}}\,}{\overset{\overset{\text{H}}{\mathop{\text{ }\!\!|\!\!\text{ }}}\,}{\mathop{\text{C}}}}\,-\text{H}\] (c) \[H-C\equiv C-\underset{\underset{\text{H}}{\mathop{\text{ }\!\!|\!\!\text{ }}}\,}{\overset{\overset{\text{H}}{\mathop{\text{ }\!\!|\!\!\text{ }}}\,}{\mathop{\text{C}}}}\,-\underset{\underset{\text{OH}}{\mathop{\text{ }\!\!|\!\!\text{ }}}\,}{\overset{\overset{\text{H}}{\mathop{\text{ }\!\!|\!\!\text{ }}}\,}{\mathop{\text{C}}}}\,-\underset{\underset{\text{H}}{\mathop{\text{ }\!\!|\!\!\text{ }}}\,}{\overset{\overset{\text{H}}{\mathop{\text{ }\!\!|\!\!\text{ }}}\,}{\mathop{\text{C}}}}\,-\text{H}\] (d)