4. Please complete the table below. What is the functional group name? What is the IR stretching frequency (base value)? What is the 13C NMR ppm range? If strained, what is the new IR stretching frequency? If conjugated, what is the new IR stretching frequency? °: NH 0: ix i H
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- Without counting hydrogens, determine which one of the following CANNOT be the unknownmolecule with molecular formula C7H8NOBr , and explain your reasoning.to Medical Chemistry II. (BMC1CHEM02) oard / My courses / Introduction to Medical Chemistry II. (BMCICHEM02) / 29/03 2021 Chemistry Electronic te Electronic test in Chemistry n3 Cyclobutane is more stable molecule than cyclopropane, because.... Select one: ut of it has less angle strain. cyclobutane has a cis-trans stereoisomers. cyclobutane is a larger ring. it has more torsional strain. cyclopropane is planar. Next pageWhich of the following bonds would have a higher stretching frequency? Explain. 18 CH, H,
- Assign the stereochemical configuration (R or S) for each molecule. For this question, the priorities have already been assigned.Which chair represents the most stable conformation of Molecule A? A a B b C C D d E e Molecule A OH OH но OH Newman projections H H он a) b) c) H H OH OH OH но но. H но но но HO, H H. но HO, H H H d) e) H он H он но но. но H. но OH H. H H OH H.Which of the following molecules are chiral? ОН ОН Me H.c=C=C Et Br Me HO Ph Ph Me Ph Me HO, C D B Select one: O a. All of them O b. A, B and D only O c. None of them O d. A, B and C only O e. A and C only .....
- Which of the following options shows the highest occupied molecular orbital and the number of electrons it contains for the photochemical [2+2] cycloaddition shown below? || a) 88, 1 electron b) 88,2 electrons c) 88,1 electron d) ¹88.20 electrons + hvWhich of the following compounds exhibits the largest carbonyl stretching frequency? А. В. С. D. Е. H. OCH3 NHCH3What are the most stable Newman projections for 2,3 dimethylbutane
- c) The two molecules below both possess a nitro group; however, one of the two nitro groups has a lower N=O stretching frequency its IR spectrum. Which molecule has the lower stretch (i.e. lower wavenumber value), and why? NO2 NO2 versusHow many kinds of chemically non-equivalent hydrogens are there in each of the following compounds? a b a CH₂ CH-CH₂ b b CI-CH₂- xeview Toples] [References] How many kinds of chemically non-equivalent hydrogens are there in each of the following compounds? Phenobarbital Orangulizer) The number of chemically non-equivalent hydrogens is The number of chemically non-equivalent hydrogens is How many kinds of chemically non-equivalent hydrogens are there in each of the following compounds? CH₂-CH-CH-CH₂ CH₂ CH₂-CH-CH-CH₂ The number of chemically non-equivalent hydrogens is ob bon Submit Answer The number of chemically non-equivalent hydrogens is The number of chemically non-equivalent hydrogens is The number of chemically non-equivalent hydrogens is Retry Entre Group 2 more group attempts remainingThe compound shown below includes a conjugated r-system. a) Ose the table to draw qualitative pictures off all Hückel MO's and calculate the total electron energy of the molecule. H H. D O,N D *- Orbital: c1 c2 03 04 c5 1.802 0.2319 0.4179 0.5211 0.5211 0.4179 0.2319 42 1.247 0.4179 0.5211 0.2319 0.5211 0.4179 -0.2319 43 0.445 0.5211 0.2319 -0.4179 -0.4179 0.5211 0.2319 4 -0.445 0.5211 -0.2319 -0.5211 -0.4179 0.4179 0.2319 0.5211 45 -1.247 0.4179 0.2319 0.2319 0.2319 -0.5211 0.4179 -1.802 -0.4179 0.5211 -0.5211 0.4179 -0.2319