(12) Calculate the pK, of dichloroacetate. Formulate the base association equilibrium for dichloroacetate. Consider the acid dissociation equilibrium: Ka Cl2CHCOO- + H+ C2CHCOOH Ka = 2.71 · 10-11

Q: h) HO + Br K₂CO3 (weak base)

A:

Q: What is the conjugate acid of CH3COO?

A: When a Bronsted Lewis accepts one proton, i.e. H+, Conjugate acid is formed.

Q: What is the conjugate acid of CH3O?

A: Given base,    CH3O- ion

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Q: Ethanamine, CH;CH;NH2, is a weak base. pK(CH;CH;NH3*) = 10.6 (a) (i) Write an equation to show the…

A: Write an equilibrium reaction and analyse it.

Q: 2. Answer Only What reactants are needed to be able to synthesize aspirin? methyl salicylate, acetic…

A: The answer of the above questions given below.

Q: Given the Ka values (in parentheses) for the following acids: HSO4– (Ka= 1.2 x 10–2); HNO2 (Ka= 4.0…

A: Given data, Ka for HSO4- = 1.2 x 10-2 Ka for HNO2 = 4.0 x 10-4 Ka for HC2H3O2 = 1.8 x 10-5

Q: CICH2-C-OH

A: Chloroacetic acid is soluble in water, methanol, ethanol, acetone, benzene.

Q: Choose the reaction conditions to complete the acid-base reaction shown. H C:O Q B NaNha hexane…

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Q: Show the reaction and equilibrium expression for the basic dissociation of trimethylamine. Given…

A: The pH is scale for determining the acidity of a solution. If the pH of a solution is below 7 then…

Q: reaction for the positive sign. Write the observable change for the positive sign of reaction the…

A: According to guidelines, only 3 subparts can be attempted.

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A: A solution of lactate and lactic acid forms a buffer solution and the pH of a buffer solution is…

Q: Below is the structure of eicosapentaenoic acid (EPA) which is an omega-3 fatty acid. What would be…

A: IUPAC nomenclature is used for naming the organic compound as per recommended by international union…

Q: Considering each of the following values and neglecting entropy, tell whether the starting material…

A: The relation between Gibbs free energy , enthalpy and entropy is as shown below:   If ΔGo is…

Q: The larger the Kb the more available the lone pair of nitrogen. Steric factors do not affect the…

A: The base dissociation constant gives the ability to dissociate a base. It is an equilibrium constant…

Q: I'm asked to "assume that ozempic is in a solution at pH = 7. Draw the functional groups at their…

A: The given compound is Ozempic which is C187H291N45O59 consists of multiple amino acids which have…

Q: Write the Molar St Mass?s?

A: Given : name of compounds Tip : first draw structure then determine molar mass

Q: For the following reaction, please select the correct organic product. H₂, Pd EICH Pou Br

A: When an alkyne reacts with H2, Pd in the presence of EtOH solvent, the alkyne will be reduced to an…

Q: Compounds like amphetamine that contain nitrogen atoms are protonated by the HCl in the gastric…

A: When amphetamine is treated with HCI in the gastric juices of the stomach, nitrogen atom gets…

Q: H3C. N. CH3 CH3 CH3 Diisopropylamine is a weak organic base has a pKb of 2.93 at 25 °C. Write the…

A: Diisopropylamine is a weak base so it will accept H+ from water to form conjugate acid.

Q: (6) Which of the following compounds has the lowest pka? (A) CICH,CO₂H (B)CHCO;H (C) CI₂CHCO₂H (D)…

A:

Q: What is the charge of TLPS at pH 12? O-2 O -1 O o +1

A: charge on TLPS at pH = 12

Q: CH3CH₂CH₂COOH CHCI2COOH CICH₂CH₂CH₂COOH 1 2 3 CH3CHCH₂COOH CH,CH,CHCOOH CH3CH₂COOH Cl Cl 5 6 Which…

A: Acidity is defined as substance which release hydrogen ions when dissolved in water.

Q: more polar to less polar compunds

A: In this question we have to give rank from more polar to less polar compounds with explanation.

Q: At 37 °C, if the plasma pH is 7.40 and the plasma concentration of HCO3 is 45.0 mM, what is the…

A:

Q: What predominant form(s) of glycine are present where the pH = pka2? pH 13 7 Glycine pK₁ = 2.34 0.5…

A: Glycine is an amino acid with two ionizable groups: the amino group (NH3+​) and the carboxyl group…

Q: What species is the conjugated base of HPO42-?

A: Conjugate base is formed by removing a proton from the acid

Q: What is the conjugate acid of H₂PO4? OHPO²- O PO³- OH3PO4 OH3O+ O OH

A:

Q: (d) + CH,CH;CH H*. 1. 2 eq CH,MgBr 2. H* HCI () H20 O:

A:

Q: (b) What is Ka of the 2-hydroxyethylammonium ion, HOCH2CH2NH3+ (pKb of HOCH2CH2CH2NH2 = 4.49)?

A: (b) The pKb for HOCH2CH2NH2 is given to be 4.49. The Kb can be calculated as follows:

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Q: The equilibrium of the carboxylic acid (protonated) and carboxylate (deprotonated) forms of acetic…

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Q: Draw the organic product of the acid-base reaction between the following species: Interactive 3D…

A: Given incomplete acid-base reaction is :  The product of acid-base reaction = ?

Q: Assume that 1 mole of ethanoic acid, 3 moles of ethyl ethanoate and 3 moles of water are mixed…

A: In the given question we have to determine the moles of ethyl ethanoate present in equilibrium, the…

Q: (a) Explain how NaBH4 in CH₂OH can reduce hemiacetal A to 1,4-butanediol (HOCH₂CH₂CH₂CH₂OH). (b)…

A: The objective of the question is to find the steps for the preparation of isotretinoin and also find…

Q: Draw the reactants and products formed in the following acid-base neutralization reaction (carboylic…

A: The solution is as follows :

Q: 5. Which of the following equations shows that isoquinoline, CoH;N, behaves as a Bronsted-Lowry base…

A: According to bronsted -Lowry concept base are those species which accept proton and after accepting…

Q: (b) Calculate the pH of 0.0005 mol dm³ ethanoic acid when its pK₁ = 4.75 CH3COOH → CH3COO(+ H* K₁ =…

A: Given, [CH3COOH]=0.0005 mol dm-3  pKa=4.75 pH=?

Q: Arrange the following compounds in decreasing order of acidity * |- CICH2CH2CH2COOH Il –…

A: Which one of the following is correct

Q: In an aqueous solution of ethylamine (CHI 3CH2NH2), which compound acts as a Bronsted - Lowry acid,…

A: In an aqueous solution of ethylamine CH3​CH2​NH2​, the compound that acts as a Brønsted-Lowry acid…

Q: Please don't provide handwritten solution .....

A: 1. Calculate the molar concentration of ascorbic acid in the solution before it was evaporated.…

Q: Give detailed Solution with explanation needed

A: Step 1: Step 2: Step 3: for any related queries, feel free to ask!! Step 4:  thanks 🙏 💛

Q: (2) Caffeine (C8H₁0N4O2) is a weak base with a pKb of 10.4. Calculate the pH of a solution…

A:

Spectroanalytical Methods

Spectroanalytical methods measure the wavelength and intensity of radiations that are either emitted or absorbed by a molecular or atomic species. These methods are useful for evaluating the electronic or atomic arrangement of the molecules of a given analyte.