The triple amine in an acidic medium does not give a transition n→o * Explain why?

Q: Match the descriptions to one of the unknown compound from the list  MP: 101-106 oC Light brown…

A: Using the descriptions provided, the unknown compound has been predicted below.

Q: What is the conjugate acid of CO32-?

A: Bronsted-Lowry acid-base theory: According to the Bronsted-Lowry acid-base theory, acid is a…

Q: During purification of 2,2’-bipyridine, the compound was accidentally exposed to a mineral acid.…

A: Elemental analysis: It is defined as the process to determine the quantity of a particular element…

Q: The y-carboxyl group of Glu has a pK.-value of 4.2; a-COOH = 2.2; a-NH, = 9.7 Calculate the…

A: Glutamic acid is an acidic amino acid. It has three ionizable groups i.e. gamma carboxyl, C-terminal…

Q: How does the pKe of the conjugate acid of benzylamine (CgH5CH,NH2) compare to the pk,'s of the…

A: pKa is inversely proportional to acidity strength. A more acidic molecule will have lower pKa value.…

Q: What is the pKb of the conjugate base of a weak acid that has a pKa equal to 5.29 at 25ºC?

A: To get the pKb of the base (B) you MUST subtract the pKa from 14. The reason for this is that the…

Q: Predict the product of the following Stille coupling reactions. Li 1. Bu,SNCI 2. Br Pd(PPh)4

A: Last step of stille coupling is reductive elimination. In reductive elimination step stereochemistry…

Q: Give the synthesis pathway to synthesize the complex of trans-[PtCl2(en)(tu)] (structure below) by…

A: The synthesis of the compound is given below:

Q: Drug A is a weak acid that has a pKa value of 4. For the Drug A dissolved in Buffer B, calculate…

A: pH is simply a measure of the concentration in a given solution . pKa is defined as the  pH were a…

Q: Illustrate the cope elimination is an intramolecular E2 of tertiary amine oxides

A: The intramolecular elimination of tertiary amine oxide to form corresponding alkenes on heating is…

Q: Benzoic Acid IR 103 100 95 90 2834.7 b .%T 85 em-1, 84.10%T 80- 1453.30cm-1, 81.46%T 1421.76cm-1…

A: Analysis of FTIR spectrum of benzoic acid.

Q: Assign the following as Ror S.

A:

Q: If Phenolphthalein was added to H2O (l) + CO2 (g) → H2CO3 (aq) what color would the solution be?

A: Phenolphthalein is an indicator to determine whether the given solution is basic or not. In basic…

Q: CDCI3 80 75 70 65 60 55 50 45 40 35 30 25 15 10

A: The question is based on the concept of Spectroscopy. we have to assign chemical shift value to…

Q: Biotin has a single ionizable group with a pKa of 4.5. If you dissolved biotin in an aqueous…

A: The question is based on the concept of biomolecules. We have to account for the dissociation…

Q: How would you use the reaction of an amide with lialh4 as the key step in going from…

A: The required conversion involves a series of reactions shown below--

Q: If a quaternary ammonium ion can undergo an elimination reaction with a strong base, why can’t a…

A: Quaternary ammonium ion – [N+ R4] Protonated tertiary amine ion – R3N+- H

Q: The structure of the molecule below shows its structure where all of the ionizable/protonatable…

A: The -COOH and -NH3+ group of a peptide is deprotonated at pH greater than the pKa value. The…

Q: si-oH tH, = si-0-SH+H20 know. thart, silican gel absorb ethanol,so We will happenT How the reaction

A: The molecule silicon dioxide is commonly called silica gel. It has various pores in its lattice…

Q: Write the reactions of Aromatic Primary - aliphatic secondary and tertiary amines with 2 N HCl and…

A: All the 3 amines namely, aromatic Primary amine, aliphatic secondary and tertiary amines react with…

Q: Н (еxcess) O,N-

A: Degree of unsaturation is analysis of structure of an organic molecule. It helps in determining the…

Q: Explain the observed difference in the pKa values of the conjugate acids of amines A and B.

A: From the pka value of A we can tell that the among the two compounds given A is more stable than B…

Q: What is the approximate pka of pyridine? O 20 O 5 O 10 O 15

A: The pKa value is one method used to indicate the strength of an acid. pKa is the negative log of the…

Q: Give the synthesis pathway to synthesize the complex of trans-[PtCl2(en)(tu)] (structure below) by…

A: Trans-effect:  Trans effect of a spectator ligand or group attached to a metal cation is the…

Q: At what pH should imine formation be carried out if the amine’s protonated form has a pKa value of…

A: For imine formation trace amount of acid is must that is the pH of the solution should neither be…

Q: Define the Mechanism - Conversion of Carboxylic Acids to Amides with DCC

A:

Q: 6. The reaction of the formation of an azo dye is possible for the identification of drugs: A.…

A: A question based on introduction to organic chemistry that is to be accomplished.

Q: 2.Describe the diffepr ences you would see when conducting propyl amine with dimethyl amine. Be…

A: Primary amine is the amine in which -NH2 is directly bonded to one carbon of any hybridization-NH2…

Q: Most of the pKa values given in this text were determined in water. How would the pKa values of…

A: The strength of a chemical substance acidity is determined by its pKa value. It is actually the…

Q: Many substitution reactions involve an initial electrostaticattraction between reactants. Show where…

A: A chemical compound consists of two or more different elements which are bonded with each other…

Q: N. H,N. H,N. CH HC Br Br Br Br A B. D

A:

Q: Provide two reasons why the compound below would be a good substrate for studying trypsin catalyzed…

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Q: Ph H. PPH3 oxophosphetane complex I H. Ph EtO2C H. OYonhosnhetane complex II

A: The above reaction is a witting reaction in which the aldehyde or ketone reacts with phosphonium…

Q: 23. Which substance below exhibits the weakest IMFS? H2O CO2 H2CO SiO2

A: Q 23. London Dispersion forces exhibits weakest IMFs is:

Q: An organic compound can have one of the following structures: The Amar of the ethanolic solution is…

A:

Q: Propose a synthesis for esmolol from 4-hydroxycinnamic acid, epichlorohydrin, and isopropylamine

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Q: Suppose the compound is synthesized via EAS reaction of diazonium salt and coupling agent. Determine…

A: Diazonium salt can couple with aniline,phenol etc to produce aza compound.

Q: Calculate the Gibbs free energy change associated with the flow of electrons from ubiquinone (E =…

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Q: draw the structure of EDPTK in its predominant form as it would exist at pH 5

A:

Q: why is the synthesis of NH4BF4 conducted under acidic conditions?

A: The synthesis of NH4BF4 conducted under acidic conditions as follows,

Q: An alpha carboxylic acid group (COOH) of protein amino acids has a pka = 2.4. The ratio of %3D…

A: -COOH,  -COO-  are acid and its conjugate base. The ratio of -COO-/ COOH can be determined by…

Q: Give handwritten answer of questions no. 4

A: Here we have to explain above mass spectra of two molecules-

Q: v 12.75a Of the following, which represents a logical retrosynthesis for target molecule A? MgBr OH…

A:

Q: Ramachandran plots for two amino acids differ significantly from that shown in Figure 2.23. Which…

A: Given that,

Q: The deuterium kinetic isotope effect (kH2O/kD2O) for the hydrolysis of aspirin is 2.2. What does…

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Q: Most of the pKa values given in this text were determined in water. How would the pKa values of…

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Q: Chemistry Based on the structure shown, what kind of interactions do you expect between HM and the…

A: Cu2+  - chelation  metal bind with two donar site.  Hydronium ion - Protonation Glycerol and glucose…