26-19 Referring to Problem 26-18, calculate the resolution for (a) methylcyclohexene and methylcyclohexane. (b) methylcyclohexene and toluene. (c) methylcyclohexane and toluene.

Q: 28. Examine the following IR spectrum, for substance Q (C,H1,0,). Which oxygen containing functional…

A: In an unknown compound, the percent composition of each element is determined initially. This is…

Q: A solution is prepared by dissolving 678 mg of testosterone in 20 mL of ethanol. The sample was…

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Q: The chromatographic purification of 1 g of (-)-ethyl lactate with an ee of 85% yields the optically…

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Q: What's the answer to #4?

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Q: 4. 3.5 mg of optically-enriched (-) sugar P was dissolved in 1.00 mL methanol in a 1.00 mL…

A: We know that : [a] = a/(c*l) ....(1) [a] = specific rotation in degree = ?  a = observed rotation in…

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A: Specific rotation is a property of chiral or optically active compound and it is numerically equal…

Q: Based on the IR spectrscopy, identify if the solid compound is 3-methyl-3-buten-1-ol, 1-octene,…

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Q: 3.5 mg of optically-enriched (-) sugar P was dissolved in 1.00 mL methanol in a 1.00 mL volumetric…

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Q: B When a chiral compound is dissolved in water the observed rotation is 8.4°. If the specific…

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Q: 0.5 g of optically-enriched (-)-mandelic acid was dissolved in 10 mL of absolute ethanol. Using a 1…

A: The explanation is given below-

Q: Given that Kb for (CH3)3N is 6.3 × 10-5 at 25 °C, what is the value of Ka for (CH3)3NH at 25 °C?

A: A conjugate acid-base pair is a pair that differ in a proton. The species that contains one more…

Q: Use the Cahn-Ingold-Prelog sequence rules to assign the configuration as R or S to the following…

A: According to Cahn-Ingold-Prelog rule- 1) More atomic number having more priority.2) If first atom is…

Q: Which is strong bp-bp repulsion or bp-lp repulsion?

A: According to Valence Shell Electron Pair Repulsion Theory, the shape or structure of a molecule is…

Q: You have two unlabeled bottles, one contains ribitol and one contains arabitol but you do not know…

A: Spectroscopy is a technique which is used to identify the structure of the organic compound. 1HNMR…

Q: 1M of H2SO4 is ......N for acid base admin reactions

A: Molarity (M) and normality (N) Molarity is the number of moles of a solute dissolved in 1L volume of…

Q: Use the given template with cl on the hand side three dimensional O7 the Yine structure and draw…

A: The line structure given is

Q: Dilute alcohol shows sharp stretch for OH group while neat alcohol shows broad OH stretch band.

A: Infrared spectroscopy is generally used for functional group determination in organic chemistry.…

Q: What strategy did McGregor & Hughes use to differentiate stereoisomers of nerolidol by GCXGC-MS?

A: When the molecules have the same bonding pattern of the groups besides having the same molecular…

Q: Explain why fac' isomer shows orlv one methyl signal whereas 'mer' isomer shows three methyl signals…

A: Let's first understand the structure of the ligand. ligand: 2-(m-tolyalazo)pyridine   This ligand…

Q: Indicate (no more than 2) for the following compound: Homotopic Heterotopic Enantiotopic…

A: If both the groups on a carbon atoms are same then 2 hydrogens attached to a carbon are homotopic.…

Q: 9. (a) Substitution of an amino group at the para-position of autophenone shifts the C=0 frequency…

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Q: write prionties assign the Stereocenter as R or S. on each of Hese graups (1=highest, 4= lowest) and…

A: Stereochemistry question.

Q: IR spectrum of maleic anhydride 100 80 - 60 40 20 - 4000 3600 3200 2800 2400 2000 1800 1600 1400…

A: Infrared spectroscopy is one of the convenient technique to visualize the functional groups present…

Q: Which of the following can determine location of glysosidic linkages?   A. Fractional analysis…

A: Fractional analysis using HPLC in tandem with MS HPLC stands for high performance liquid…

Q: Q. Which of the following is not used as pyroelectric material used in pyroelectric transducers in…

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Q: 7.How many repeating units per molecule are there in each of the following cases: a) a sample of…

A: Number of repeating units: Teflon sample = 5000 units Polyvinyl chloride = 12000 units

Q: Explain why fac' isomer shows onlv one methyl signal whereas 'mer' isomer shows three methyl signals…

A: Transition metal complexes or coordination metal complexes are formed by arrangement of groups of…

Q: Calculate/determine the HDI (Hydrogen Deficiency Index) of a compound containing 1 ring, 1 amide, 2…

A: Hydrogen Deficiency Index of Ring = 1 Hydrogen Deficiency Index of amide (CONH2) = 1 Hydrogen…

Q: The encircled part of the TGA indicates loss of...

A: The variation of the mass of the substance with respect to the change in temperature values observed…

Q: 2. 0.5 g of optically-enriched (-)-mandelic acid was dissolved in 10 mL of absolute ethanol. Using a…

A: Specific rotation formula,

Q: Experiment Isolation and Saponification:HNMR of isolated Trimyristin 500 100 B00 200 100 o ppm 10…

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Q: (a) What mass spectral fragments are formed by α cleavage of butan-2-ol, CH3CH(OH)CH2CH3? (b) What…

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Q: Identify the bonds in the Lidocaine which which correspond to the peaks 3243.36, 3021.31, 1661.66…

A: Given compound is Lidocaine And IR peaks: 3243.36, 3021.31, 1661.66 and 1491.42 cm-1

Q: There have been cases where wine has been mistakenly adulterated with ethylene glycol…

A: Chromatography is an analytical technique in which a sample mixture is separated into different…

Q: In polarimetry when the sugar is heated for 60 mins instead of 30 mins hwat happens to the extent of…

A: The electronic configuration of the Carbon atom is 1s22s22p2. It can form a maximum of 4 bonds with…

Q: 9. (a) Substitution of an amino group at the para-position of autophenone shifts the C=0 frequency…

A: IR spectroscopy works on the principle that molecules absorb specific  frequencies in the IR region…

Q: What is the percent composition of 1/1 a mixture of (S)-(+)-2-butanol, [a]D25 = +13.52º,and…

A: The optical rotation of (S)-(+)-2-butanol and (R)-(-)-2-butanol is +13.52˚ and -13.52˚,…

Q: Show how the Cahn-Ingold-Prelog sequence rules are used to assign the geomet either E or Z. COOH но

A: According to " Cohn ingold prelog " rule  Rank the atoms directly attached to the olefinic carbon…

Q: Based on the IR spectrscopy,  identify if the liquid compound is 3-methyl-3-buten-1-ol, 1-octene,…

A: The given spectrum is for benzophenone because in the ir spectra only possible functional group is…

Q: 26. Are the two one-proton multiplets below coupled to each other? What criteria are you using? 8.10…

A: Interpretation: To find out whether the given two one-proton multiplets are coupled to each other.

Q: What is the commercial use of ibuprofen? 2. What are the important criteria of a good resolving…

A: 1) Commercial use:          It is used to relieve pain from various conditions like - headache,…

Q: Is it possible to resolve a racemic mixture of 1-phenylethylamine with (-)-malic acid?

A: Find answer next steps

Q: All heteroaroms (atoms that are not carbons or hydrogens) should he considered part of a pi system.…

A: Imidacloprid is a systemic insecticide which belong to a class of neonicotinoids. This is an insect…

Q: What is the specific rotation of glucose(MW 180) with a density of 1.56g/mL and an angular rotation…

A: Dear student,since you have asked multiple questions but according to guidelines we will solve 1st…

Q: 20 1. The EI-MS of methylcyclohexane is shown below. Locate the following information in it: CH3 (a)…

A: ESI-Mass analysis:

Q: Higher Rf value will be obtained from dextrin than that of glucose in a reverse-phase TLC. O True O…

A: Rf means Retardation factor.  Rf value means the ratio of distance travelled by solute to the…

Q: Calculate the specific rotation of the (S)-ibuprofen sample and (R)-ibuprofen sample based on the…

A: Given, Observed rotation of (S) - ibuprofen = + 0.54 degree Observed rotation of (R) - ibuprofen = +…

Q: 4. Name the chemicai test and state the expected resuit that couid be used to distinguish the…

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