The precursor of polyphenols is: Select one: НО НО OH "ОН

Q: Give the IUPAC name for the following molecule. A) D)…

A: IUPAC nomenclature is a method of naming organic chemical compounds. IUPAC name of the given…

Q: Mark the false statement. A Lewis acid is a species (an atom, ion, or molecule) that is an…

A: According to Bronsted- Lowry acid - base theory, A Bronsted-Lowry acid is any species that is…

Q: 150

A: IUPAC nomenclature: In IUPAC nomenclature  a molecule's longest chain of carbons is taken as parent…

Q: 6. Using the molecular orbital model, write electron configurations for the following diatomic…

A: According to molecular orbital theory the increasing order of molecular orbitals as follows. σ1s…

Q: DO NOW: Determine the AH and AS of the system: ΔΗ 2H₂(g) + O₂(g) → 2H₂O(g) Example 1: ΔS • How much…

A: Note: We are authorized to answer one question at a time, since you have not mentioned which…

Q: You are presented with a mystery as part of your practical experiment. You have a solution of…

A: Two subpart questions based on concentration terms. First question is about finding the H2SO4…

Q: Really stuck on this, struggle quite a bit when it comes to drawing compounds. Was wondering how…

A: In first step, we will do markovnikov rule from which 2 products formed, thrn again we will do…

Q: Predict the product, draw the mechanism, and plot the reaction coordinate diagram for the…

A: The reaction given in the question follows Free Radical Mechanism.This mechanism occurs only in the…

Q: Equilibrium 1. write the equilibrium expression for the following reaction 4 NH3 (g) + 7 O2 (g) = 4…

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Q: CH3 CH3 and CH3 CH3 Н3С CH3 and H3C- CH3 H3C CH3 H3C. CH3 CH3

A: A set of guidelines and protocols known as IUPAC (International Union of Pure and Applied Chemistry)…

Q: For a particular redox reaction, MnO₂ is oxidized to MnO and Ag+ is reduced to Ag. Complete and…

A: In balanced chemical equation, the no. of all the atoms involved in a reaction should be equal in…

Q: Describe the electronic structure of metals. Illustrate with examples. Explain the properties that…

A: The existence of loosely bonded electrons that are free to move about the metal lattice defines the…

Q: 5th 8th 3rd 7th 6th 7th 2nd Use the data table for the first eight ionization energies of a…

A: Ionisation energy is the energy required to remove the most loosely bound electron form an isolated…

Q: Give the formula for the following ionic compounds. a. potassium sulfide b. aluminum phosphate c.…

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Q: A chemist has been asked to make the chemical shown below. Draw and name the one initial organic…

A: The given compound is propyl propanoate. It carry ester…

Q: 6. Determine the mass of antimony produced when 0.46 g of antimony (III) oxide reacts with carbon…

A: Sb2O3 + 3C ----> 2Sb + 3COmass of antimony(III) oxide, Sb2O3 = 0.46 gmass of antimony (Sb) =…

Q: Which of the following is/meso compounds? ОН ОН ОН ОН ОН ОН ОН - || ОН ОН ОН ОН

A: Meso compounds have plane of symmetry

Q: 2. a. Considering the five compounds shown below, which one matches the given 'H NMR spectrum?…

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Q: In the context of chemical reactions, explain the concept of kinetic versus thermodynamic control…

A: The concept of kinetic versus thermodynamic control in chemical reactions explores the factors that…

Q: I H₂ 5... OH CH₂OH Determine whether the stereocenter(s) are R- or S- The stereocenter is R- The…

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Q: To 64 ml of an 0.015 mM solution of potassium bromide a 2.0 μM solution of silver(1) nitrate is…

A: the reaction between Potassium Bromide and Silver Nitrate gives white precipitate of Silver…

Q: 13) Suggest and efficient synthesis for the following peptide with the given starting materials.…

A: This is an example of dipeptide synthesis

Q: Using just a periodic table (not a table of electronegativities), decide which of these is likely to…

A: Answer:-This question is answered by using the simple concept of polarity of the covalent bond.

Q: Suppose you wanted to increase the buffer capacity of the formic acid/sodium formate buffer solution…

A: In this question we have to found what we have to do to increase buffer capacity.

Q: Z 'N HO™ H₂O heat

A:

Q: Arrange the following in order of increasing vapour pressure at room temperature. CH3CH₂OCH₂CH3…

A: Vapour pressure is a pressure exerted by a vapour on the liquid surface.When the vapour pressure…

Q: Naphthalene is a white volatile, solid polycyclic hydrocarbon used in moth and repellents. Looking…

A: For aromaticity, any compound must satisfy these four condition:The molecule must be cyclic.The…

Q: Assume we have a solid consisting of an unknown atom in some configuration. To melt this solid,…

A: The correct answer is 4) All answers are true.To melt a solid, energy must be supplied to the system…

Q: Question: . Acidic . Basic . Buffer • Neutral Oxyacid pH Respond to the following Choose at least 4…

A: Introduction: The terms "acidic," "pH," and "neutral" are important concepts in both everyday…

Q: A formic acid/sodium formate buffer solution can be prepared with 0.012 M each of formic acid…

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Q: Which of the following molecules cannot be a hydrogen bond donor? Э !!!!! Э IIII H3C Э III NH CH3 NH…

A: -> Hydrogen bond can be formed when hydrogen attached with most electronegative atom hence,…

Q: hydrocarbon has mass percent composition and molecular formula weight shown below. How hany atomic…

A: Molecule is a hydrocarbonPercentage of C in molecule = 83.6 %Percentage of H in molecule  = 100-…

Q: Naphthalene is a white volatile, solid polycyclic hydrocarbon used in moth balls and repellents.…

A: Hückel rule is used to predict if the compounds are aromaticAccording to this rule, the compounds…

Q: The vapor pressure of Benzen is its vapor pressure at 20.0 °C (AH 80.1 °C in 1 atm. Calculate for…

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Q: A buffer solution is 0.337 M in H2CO3 and 0.239 M in KHCO3 . If Ka1 for H2CO3 is 4.2x10^-7 , what…

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Q: Propose a retrosynthetic analysis and synthetic route of the following compound. Discuss and show…

A: The retrosynthetic analysis or retrosynthetic planning, is a technique used in organic chemistry to…

Q: Rank the following bonds from most polar to least polar? Cl-O, Mg-O, O-O, C-O

A: -> polarity of bonds can be identified using electronegativity of constituent atoms.

Q: You have a 5M solution of NaCl. You want 100ml of 0.5M solution. What is the initial volume of 5M…

A: Initial solution of NaCl (before dilution)Concentration of the initial solution of NaCl (M1) = 5…

Q: Complete combustion of 10.91 g of a compound of carbon, hydrogen, and oxygen yielded 16.00 g CO₂ and…

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Q: Be sure to answer all parts. In an analysis of interhalogen reactivity, 0.390 mol of ICI was placed…

A: Kc is an equillibrium constant. In its expression all the species involved in the reaction is…

Q: How many peaks do you expect in this molecule's proton-decoupled 1H NMR spectrum? 8

A: 13C NMR signal:-         It is the type of NMR spectroscopy found in organic compound.The number of…

Q: Calculate the molar solubility of Fe(OH)2 In water using systemic approach. Ksp = 4.1 * 10^-15

A:

Q: calculate the ph of the following solutions:   0.1 M solution of the salt CaF2 where the pKa(HF) =…

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Q: draw the major product of this reaction

A: Lithium aluminum hydride reduces the carbonyl compounds into alcohol. In this reagent, a hydrogen…

Q: If myristic acid is molecular, what is I in the ∆Tf=ikfm equation?

A: In the given equation i represent van't Hoff factor. For ionic compounds, it will be equal to the…

Q: How is biodiesel produced from candlenut?

A: Here are the general steps involved in producing biodiesel from candlenut:Candlenut oil extraction:…

Q: Draw the product formed when the structure shown below undergoes a reaction with diluted water…

A: This is reaction of alkene with diluted H2SO4 .This is addition reaction of alkene.In this reaction,…

Q: If 7 g of zinc reacts with 2 g of oxygen, how many grams of oxygen are remaining after zinc oxide is…

A:

Q: Consider this equilibrium N₂(g) +3 H₂(g) 2 NH3(g) + 94 kJ The equilibrium law expression for the…

A: For the reaction : N2(g) + 3H2(g) <==> 2NH3(g) We have to write the equilibrium law…

Q: Which of these molecules can hydrogen bond with water? 0. www O O NH₂ Br Br N Br

A: Hydrogen bonding is a type of intermolecular attraction that occurs between a hydrogen atom bonded…

Alkynes

Alkynes are organic compounds that contain at least one triple bond between carbon-carbon atoms. They are a series of unsaturated compounds with a general molecular formula, CnH2n-2.