Why does the proton of the hydroxyl group in benzoin appears at 6.1 ppm in DMSO-d6 while it shows at 4.6 ppm in CDCl3?

Q: GLYCEROL CH03 LOD 50 D. 4000 3000 2000 1500 1000 500 HAVENUMBERI -

A: Glycerol is a compound with three alcohol groups.  It can be basically called a triol

Q: Which functional group on furosemide's structure below is most likely to be negatively charged at…

A: Here we have to say which functional group is most likely to be negatively charged at physiological…

Q: Draw the three-dimensional structure of the diastereomer formed when (S)-(–)-α-phenylethylamine is…

A: The structure of (S)-(–)-α-phenylethylamine is as follows

Q: How to report the following IR spectrum of exo-Norborneol

A: A question based on IR spectroscopy that is to be accomplished.

Q: Match the hydrogens in lidocaine to the signals in the 1'H NMR spectrum below. Lidocaine CDC13 |要 8…

A: 1H-NMR spectra provides the number and types of hydrogens of unknwon compound.

Q: Write out a scheme for the resolution of the two enantiomers of the antiplatelet drug clopidogrel…

A: The stereogenic center of clopidogrel and 10-camphorsulfonic acid are shown in figure 1.

Q: m-Nitomethyl benzoate: Match the peaks to the appropriate number on the structure. A letter may…

A: Spectroscopy is defined as interaction of electromagnetic radiation with matter. NMR is abbreviated…

Q: The Ka of a acetic acid is 1.7 x 10-5. What is the pKa of acetic acid?

A: The relationship between Ka and pKa is given by  pKa = -log(Ka )

Q: calculate the pkb of triethanolamine B

A: A question based on equilibrium concept that is to be accomplished.

Q: In the structure of Simvastatin as shown below, determine the configuration of the carbon atoms with…

A: Assign priority (1-4) of the stereocentre of the carbon.

Q: Asteltoxin, isolated from cultures of Aspergillus stellatus, exhibits a potent inhibitor on E. coli…

A: Most acidic proton is a proton which has the higher degree of positive character and the negative…

Q: In the cream type test using methylene blue, when methylene blue is added to the cream, drops of oil…

A: 25.T type of emulsion is Oil in water in which oil seems like droplets. So correct answer is option…

Q: Threonine is a naturally occurring amino acid that has two stereogenic centers.a. Draw the four…

A: The four possible stereoisomers of threonine are:

Q: Which of the following compounds are not volatile? a. abscisic acid b. monoterpenes c.…

A:

Q: 1. What is responsible for the effervescence observed with Na2CO3 reagent? 2.Explain the cleansing…

A: The bubbling of a solution due to the escape of gas is known as effervescence.

Q: Explain why, when the imidazole ring of histidine is protonated, the double-bonded nitrogen is the…

A: Proton which is close to acidic group will be protonated first therefore proton(NH2) near to COOH…

Q: Are the three OH groups of cholic acid axial or equatorial?

A: Cholic acid is a bile acid, 1. White crystalline substance 2. In soluble in water but soluble in…

Q: What type of functionality does phenol contain besides the aromatic ring? A) amino B) alkene C)…

A: To find: The type of functionality that phenol contains besides the aromatic ring

Q: Alanine has pK, values of 2.34 and 9.60. At what pH will alanine exist in the indicated form?…

A: Amino acids exist as zwitterions in the isoelectric point.  pKa and pH are related oppositely.  More…

Q: Phenol has a pka of 9.92 and a ρ value of 2.25. From this information, determine the Ka of 3,4-…

A: An acid dissociation constant denoted by symbol Ka is used to measure  the strength of an acid in a…

Q: 2. Identify the protection group on the AMINE of the amino acid. Вос Fmoc МОМ TMS Benzyl

A: A protecting group or protective group is introduced into a molecule by chemical modification of a…

Q: How  to evaluate the directing effects of the CH3 group in toluene ?

A: Toluene is an aromatic hydrocarbon which bears a methyl group (CH3) attached to the benzene ring.…

Q: An unknown substance is found to be soluble in water and gives a positive 2,4- DNP test. If you…

A: 2,4- DNP test is given by both aldehydes and ketones.   iodoform test is basically given by methyl…

Q: Would you expect hemiacetals to be stable in basic solutions? Explain your answer.

A: Addition of an alcohol to aldehyde is referred to as Hemiacetal. It means half can say one alcohol…

Q: How many possible stereoisomers can there be after the lipid is reduced by NaBH4? но estrone 32 10 O…

A: Chiral centre (n) is an sp3 hybridized carbon having four different groups. Total number of…

Q: 40 mL 2 M NaOH react with 40mL 2M HCL with a T-change of 12.9 °C giving a q-reaction of -77.76 J.…

A: Reaction of base with acid is a neutralization reaction. So , both of the reaction is a…

Q: 2% AGNO3 litmus test after NaOH ALCOHOLYSIS AMINOLYSIS clear solution UNKNOWN HYDROXAMIC TEST clear…

A: Functional groups refer to specific atoms bonded in a certain arrangement that give a compound…

Q: Match each of the following pKa values (3.2, 4.9, and 0.2) to the appropriate carboxylic acid: (a)…

A: The greater the pKa value, the lesser is it acidity.In a carboxylic acid, the presence of an…

Q: 7. Polycaprolactam (Nylon 6) has higher Tm than Polycaprolactone. Why?

A: Glass transition Temperature (Tg) It is defined as the temperature at or above which the molecular…

Q: What molecular ions will be present in the mass spectrum of the antihistamine chlorpheniramine?

A: Molecular ions will be present in the mass spectrum of the antihistamine chlorpheniramine.

Q: GLYCEROL C3HB03

A: A chemical bond contains minimum two atoms. When this bond faces infrared radiation,  starts to…

Q: Write out the bonds associated with following IRabsorptions.   1600 cm-1 (sharp and pointed)

A: The bond associated with the 1600 cm-1 has to be given.

Q: ODD MAN OUT. Which of the following is not related to the other choices below? Saccharin…

A: Here we have to determine the odd man out from the following sweeteners.

Q: Show the position of any electron lone pairs in this structure of acetamide, and indicate the…

A: From the given structure the molecular formula of the compound is -  C2H5NO The total valance…

Q: The following IR is a (n-Butylamine). Please complete the chart corresponding to the IR

A: n-Butylamine is an amine with the condensed formula CH3CH2CH2CH2NH2.

Q: Explain why adding D20 to an alcohol or carboxylic acid makes the-OH peak disappear.

A: “Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: State the 1H and 13C NMR spectra of propanal, CH3CH2CHO ?

A: NMR is Nuclear magnetic resonance spectroscopy which helps us to define different protonic…

Q: Explain why, when the imidazole ring of histidine is protonated, the double-bonded nitrogen is the…

A:

Q: What is the product of a reaction between VaIeric Acid and 1-heptanoI? Name the lR Peaks and the…

A: Valeric acid is a carboxylic acid and 1-heptanol is an alcohol.  General reaction:  Carboxylic acid…

Q: Which of the following is the best representation of an aqueous lysine ? CH2 CH2 CH2 CH2 H,N-Ç-COOH…

A:

Q: Given that 100mg of a compound with pKow 1.2 is dissolved in 100 mL of octan-1-ol. To the nearest…

A: pKow is used here is negative logarithm of concentration of partition cofficient.

Q: Threonine is a naturally occurring amino acid that has two stereogenic centers. a. Draw the four…

A: a) The four stereoisomers of threonine are -

Q: How do the structures of cholic acid and chenodeoxycholic acid differ? a. Are the three OH groups of…

A: The structures of cholic acid and chenodeoxycholic acid differ in terms of the number of OH groups…

Q: Sketch the NMR spectrum of CH3CH2Cl, giving the approximate location of each NMR signal.

A: The given compound is ethyl chloride, CH3(Ha)CH2(Hb)Cl. It has two non-equivalent protons that is Ha…

Q: 5% Sodium Bicarbonate (NaHCO3) reacts with which one of the compounds in the mixture? a. None b.…

A: Sodium bicarbonate is a basic salt and it reacts with an acid to give carbon dioxide gas. NaHCO3aq +…