Chapter 1.8, Problem 28P

The Structure of Hydrocarbons 1. Draw the four carbon bonding patterns commonly seen in hydrocarbons and all other organic compounds. Construct the Lewis structures of the following compounds by combining the carbon atoms with the appropriate bonding patterns and the required number of hydrogen atoms. 2. a. hexane: CH,CH,CH,CH,CH,CH, b. 3-hexene: CH,CH,CH=CHCH,CH, c. 2-hexyne: CH,C=CCH,CH,CH, 3. There are three distinct bond angles formed in the four bonding patterns of carbon. What are they and in which bonding pattern(s) is each seen?

ADVANCED MATERIAL Interpreting condensed chemical structures Use this condensed chemical structure to complete the table below. CH,= CH- CH= CH, The condensed chemical structure of 1,3-butadiene Some facts about the 1,3-butadiene molecule: number of carbon-carbon single (C - C) bonds: number of carbon-hydrogen single (C - H) bonds: number of carbon-carbon double (C = C) bonds: te Roserved.

Structural Isomers: In the next part you will learn a little about structural isomers and how to draw them. Structural isomers are compounds with the same molecular formula, but different bonding arrangements or connectivities. In other words, the atoms are connected in a different order. For example, there are 2 different compounds with the molecular formula C4H10. They are given below: H H-C- H -H H H HHH H- H H-C -H Η ΗΗ H H Do you see how the atoms are bonded in a different order in the 2 structures? So they are structural isomers. C3H12 Find three different molecular structures, isomers, with this formula. (Hint: Remember the C rule where every C atom needs to have 4 bonds.) C2H60 Find two different molecules with this formula. (Hint: What are the 2 ways you can C5H10 How many structural isomers can you find for this formula? (Hint: Notice that 2 H atoms have been removed. This means that there is EITHER 1 double bond OR there is a ring structure.) Try to provide at least 4…

Draw the condensed structure of an isomer of this molecule: O ů CH3-C-C-CH3 O

Draw the best Lewis structure of C₂0. Include lone pair electrons and any formal charges. Click and drag to start drawing a structure. C C X Ś C+

A 0.04336 g sample of gas occupies 10.0 mL at 293.5 K and 1.10 atm. Upon further analysis, the compound is found to be 25.305% C and 74.695% Cl. What is the molecular formula of the compound? molecular formula: Draw Lewis structure

please help with parts a & b, thank you!

4. The full structural formula of three organic compounds, P, Q and R, are shown below. H H HHH H HHHH H- C-C- H H C C-C = C- H H C C C C-H H H H H H. a. State one similarity between P, Q and R in terms of their molecular formula. b. Name the homologous series that compounds P, Q and R belong to. c. State one similarity between Q and R in terms of chemical bonding. d. Which of these compounds are isomers? Explain your answer.

3a) Complete the expanded structural formula for the cyclic compounds below by bonding the correct number of H atoms to each C. You need to make sure that each C has 4 bonds. molecular formula: C-C C-C C C-C c-c C C c-c-c CH CH CH 3b) For each molecule above, complete the molecular formula giving the number of C and H atoms.