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Provide an acceptable IUPAC name for the branched
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- How would you best describe the C-C bonds lengths in benzene relative to cyclohexane? Hypothesize why these results are observed.Below is the structure for beta-carotene, a pigment found in plants and vegetables that give them their color. Determine how many alkenes are properly trans in the structure.For each of tthe following structural formulas, provide the indicated number of resonance structures. Use curved arrows to show the electron movement between each structure, use double headed arrow to separate the structures, and enclose all of them in a single set of brackets
- What is the systematic name for the molecule depicted by the following bond line structure? Decide what the longest C-C chain is (parent) and then decide which substituents are there and how to number it to give the lowest locants. Make sure each substituent gets a locant. Separate letters from numbers by a dash, and numbers from each other by a comma. Do not put any spaces in your name.Draw the skeletal (line-bond) structure of [CH₃CH₂CHC(O)CH₂CH₂CH₃]⁻. Include all lone pairs and charges as appropriate. What do the brackets and the - exponent mean for this formula?Examine the ungraded ball-and-stick model to determine the three-dimensional structure of the molecule. On the corresponding 2D structure, draw one wedge bond and one dash bond over two existing bonds to indicate the same arrangement of atoms in space. The narrow part of each wedge-and-dash bond should be towards the same central carbon atom. Click on the three-dimensional molecular structure of (S)-1-chloro-2,3-dimethylbutane and drag to rotate it, or use the controls provided. 80 F3 $ 4 R F 000 COD F4 D V % 5 C T G MA F5 B OH 6 CL MacBook Pro Y Fo H & 7 N da F7 U * 00 8 M DII FO - Change two bonds to stereobonds. K Select Draw Rings More ////// 3 ( 9 H CH₂ */ CH₂ G DD F9 H O V H,C ) O command F10 P A C - H F11 Q2Q Cl { option + = F12 Erase = ] (1) dele
- Next, let's explore what happens when you remove two hydrogens from the structure above and form ethene, CH,CH,. How many bonds should be between the two carbons to give each carbon a total of four bonds? Draw the structural formula for ethene, CH,CH,.Give a detailed explanation4. For each of the following molecular formulae, how many elements of unsaturation are present? C10H22O2 C₂HCISO₂ C7H7Br₂NO2 C16H10 (Draw a reasonable organic molecule with this formula) CastHasFINP115e30sa ⚫ CH2 (What might the structure of this species be? How can it have a nonzero number of elements of unsaturation without any rings or pi bonds?) • C₂H9B (Oh dear! I never told you what to do with boron...)
- dont provide handwriting solution .....From what we know today, what do the two Kekulé structures for benzene really represent? August Kekulé was the first person to propose a viable structure for benzene in 1865. Structures that can be separated at low enough temperatures (near absolute zero). Structures that are in a state of rapid equilibrium. O Structures that are in resonance. Structures that are conjugated trienes (--C=C--C%3DC--C3C--).9. Write structural formulas for all of the alkenes with (a.) the formula C2H2B12 and (b.) the formula C:Br2Cl2. In each instance designate compounds that are cis-trans isomers of each other. Predict the dipole moment of each one.
