Propose a structure for a molecule with formula C₂H₂ that meets the following description: Contains 2 sp carbons and 2 sp² carbons • In cases where there is more than one answer, just draw one. • Explicitly draw all H atoms.
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- Determine a molecular formula, e.g. CH4, from the line structure below. Specify elements in the following order: C, H, others(in alphabetical order). Example: C4H7ClOS Molecular formulaSelect the bonds in the 3D representation of methyl urethane below that are multiple bonds. (Hint: Consider the number of bonds attached to an atom in the image compared to the normal valence of that atom. In a valid structure, the number of bonds to an atom will equal the valence of that atom.) • Gray = C: white = H; red = 0; blue = N; dark green = Cl; brown = Br; light green = F; purple = 1; yellow = S: orange = P. • Double click to select bonds. You can zoom in and out using the mouse scroll wheel (or pinch to zoom on touch screens). ●Structural Isomers: Alkanes One of the reasons for the complexity of carbon compounds is that it can bond (catenate) with itself. Oils are mostly made up of hydrocarbons, for 'saturated' compounds, these obey the formula CnH2n+2. The empirical formula (unlike benzene) will vary with n. Now we have established C is tetrahedral, how many structural (skeletal) isomers can we find for n=6, hexane C6H14 ? 1) Sketch all the isomers. What procedure did you use to make sure you didn’t miss any ? Do you think you could you do this now for heptane C7H16 ?! (Hint: 9 different ‘skeletal’ topologies) Note the number of possible isomers increases in highly exponential way. C10 – 75 isomers C15 – 4,347 isomers C20 - 366,319 isomers !! Note:- • Do not provide handwritten solution. Maintain accuracy and quality in your answer. Take care of plagiarism. • Answer completely. • You will get up vote for sure.
- Can molecules with the molecular formulas below exist? (a) CH4 (b) C₂H,Br (c) C₂H6Draw 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) CH3+, methyl carbocation (b) HOBr, bromic (I) acid (c) NCl3, nitrogen trichloride Provide everything stated in the instructions for each compound.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'
- An unknown compound has the formula C8H9BrO. Determine the structure of this compound through the data from the figures provided.Is there an OH group present? Are there any C(sp2 )–H bonds? How about a carbon-carbon triple bond (alkyne) or a carbon-nitrogen triple bond (nitrile)? Is there a C=O?Determine a molecular formula, e.g. CH4, from the line structure below. Specify elements in the following order: C, H, others (in alphabetical order). Example: C4H7CIOS Cl Molecular formula I
- Convert each of the following molecular models into a skeletal structure, and give the formula of each. Only the connections between atoms are shown; multiple bonds are not indicated (gray = C, red = O, blue = N, ivory = H).What is the meaning of the term tertiary (3°) when it is used to classify alcohols? Draw a structural formula for the one tertiary (3°) alcohol with the molecular formula C4H10O.Draw the structure of the four tertiary (3°) amines with molecular formula C6H15N that contain a group with 4 carbon atoms. and Draw the structure of the two tertiary (3°) alcohols with the molecular formula C7H16O that contain a only one CH3 group attached to the main carbon chain.