How useful is the (R) or (S) designation for predicting the sign of an optical rotation? Can you predict the optical rotation of the reactant or the product? (Hint from Julia Capulet: "What's in a name? That which i call a rose / By any other name would smell as sweet.") Give a short verbal answer.
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- Draw the structure of the following three isomeric esters with chemical formula C-H1,0,. Ester #1: (E)-ethyl 2-pentenoate Ester #2: ethyl 3-methyl-3-butenoate Ester #3: (Z)-methyl 3-hexenoate • Consider E/Z stereochemistry of alkenes. • Draw one structure per sketcher. Add additional sketchers using the drop-down menu in the bottom right corner. • Separate structures with + signs from the drop-down menu. opy aste ChemDoodle Previous Next Email Instructor Save and ExitNo correlation between (R) & (S) designation and the direction of rotation pf plane-polarized light, justify the statement.Assign, the correct stereochemical descriptor (R or S) to the following molecules.
- (a) Determine the absolute configurations of the reactant and the product... (b) What does "retention of configuration" mean?Explain in detail how the spectroscopic data shows that cyclohexanol, the reactant, produced the expected product, cyclohexene. Is the product pure? How do you know? Refer to specific frequencies in the IR spectrum and specific signals in the NMR spectra to support your conclusion.Please give clear handwritten answer of all subparts of question no. 5 i will give you upvote.
- Attach a schematic diagram showing the procedure involved in the determination of observed rotation and calculation of specific rotation.Suggest all the appropriate steps needed to convert the following compounds. a) CH,CH2CH,Br CH3CH2CI || iv b) ОН c) CH3CH2CN |3D CH3CH2CNH CS Scaned with CamscannerIf we measure the rotation angle of a sample in a polarimeter and it is zero, the sample….(1). It is a 1.00 M aqueous solution of a pure substance of rotational power exactly equal to 100.(2). It is optically inactive.(3). It is an equimolar mixture of enantiomers of the same compound.(4). It is a mixture of right-handed and left-handed substances.
- a) Draw the ring-flip isomer of the molecule from question (b) Show which of the two is favored in the equilibrium between them, and explain why, showing all possible forms of strain in each of the isomers. (c) What is the stereochemical relationship between the two isomers? (d) Draw another stereoisomer of the molecule and show all the strains it contains.(strains is the most important one in this questuon!!!)Give clear handwritten answer of this question ASAP!For each of the following reactions, check in the box which of these A or B components represents "highest occupied molecular orbital" (HOMO) and "lowest unoccupied molecular orbital" (LUMO). Once assigned, determine their type of orbitals.