1) 11) Match this condensed formula, CH₂(CH₂)CO(CH₂)₂CH₂, with the correct skeletal drawing. III) IV) Question 4 of 36 OH wa A) I B) II C) III D) IV Submit
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- Linoleic acid (below) is an essential fatty acid found in many vegetable oils, such as soy, peanut, and cottonseed. A key structural feature of the molecule is the cis orientation around its two double bonds, where R1 and R2 represent two different groups that form the rest of the molecule. R, CH2 `H H' (a) How many different compounds are possible, changing only the cis/trans arrangements around these two double bonds? (b) How many are possible for a similar compound with three double bonds? R3. .CH2 R4 `H H `H H'13) Give the correct bond-line structure for the following compounds (drawing bonds as lines). Clearly show all bonds, electron pairs, and formal charges when present. Ionic bonds, if present, must be clearly marked using formal charges. (CH3)2CHCHBrOH Na o N oDraw the shapes of the following molecules and ions in 3-dimension. Show clearly any lone pairs of electrons on the central atom, state the number of bond pairs and lone pairs of electrons on the central atom and name the shape of the molecule or ion. (a) SiCI4, silicon tetrachloride (b) PBr3, phosphorus tribromide (c) CI2O, dichlorine oxide Provide everything stated in the instructions for each compound.
- (i) Draw a complete Lewis dot structure for each of the following compounds. Clearly (ii) indicate all bonds and lone electrons, as well as the formal charge of each atom in the compound. a) NO3 b) NH4* c) CO21) 2) NH₂ CI NH₂ O16. Which of the following structures is the CORRECT resonance structure of the following. molecule: (A) (B) (C) (D) CH3- CH₂ CH3 -H CH₂CH3 CH₂CH-CH₂ CH3 CH3
- CHEM 1P92 Assignment 12B (Liquids, Solids, and Intermolecular Forces). Version # 177 1. Draw Lewis structures for the following compounds. Remember to enclose ions in square brackets. On your answer sheet, state the number of valence electrons in each compound. (a) CH 3 I (b) CaCl 2 (c) Mg(NO3)2Draw the shapes of the following molecules and ions in 3-dimension. Show clearly any lone pairs of electrons on the central atom, state the number of bond pairs and lone pairs of electrons on the central atom and name the shape of the molecule or ion. (a) AIH4-, aluminium hydride ion (b) CH3-, methyl carbanion (c) POCl3, phosphorus oxychloride Provide everything stated in the instructions for each compound.Identify the electron geometry about each charged atom. Where appropriate, indicate the molecular geometry and approximate bond angle as well. (a) (b) (c) (d) CH3 (e) (f) O `NH H3CN-CH3 CH3
- Q. 9a) Provide additional resonance structures for the following species. Remember to show lone pairs & formal charges where applicable + [ :N=N-F: +→ [:0-C!-O: → Q. 9b) Draw the Lewis Structure for NCCH2CO2NHCH3, determine the number of sigma bonds & the number of pi bonds present, and indicate the bond angle value around each carbon atom, each nitrogen atom, and each oxygen atom.For each compound in the table below, decide whether there would be any hydrogen-bonding force between molecules of the compound, or between molecules of the compound and molecules of water. name dimethyl ether iodomethane acetic acid compound formula or Lewis structure H T H-C-Ö-C-H I H HILIA CH₂I | H H :O: | || H-C-C-O-H Between molecules of the compound? O yes O no O yes O no hydrogen-bonding force O yes O no Between molecules of the compound and molecules of water? O yes Ono O yes O no O yes O no X Ss Item 1: Question Specify the local electron geometries about the atoms labelled a-d. Unshared electron pairs affect local geometry and are included in the structural formula. For each atom enter one of the following: tetrahedral, square planar, trigonal planar, trigonal pyramidal, or linear. (a) (b) (c) (d) Submit b st tts, Amherst, MA USA V N: Submit and Next O: Mark this question for later review. Skip to Next