Question: Two reactions between a Grignard reagent and
Two reactions between a Grignard reagent and a carbonyl compound are given below. Draw the main organic product for each reaction and indicate if H+ or H- is needed to complete each reaction. 
Transcribed Image Text:
Two reactions between a Grignard reagent and a carbonyl compound are given below. Draw the main organic product for each reaction and indicate if H or H is needed to complete each reaction. (The starting material structures are provided in the answer fields as a starting point for your drawings.) 1) Ketone reaction 1. CH, MgBr O H* Он 2. H* /H? 2) Aldehyde reaction 1. CH,CH,MgBr O H* 2. H* /H?
> The pKa of propanoic acid (propionic acid), CH3CH2COOH, is 4.87. Consider an equilibrium mixture of propanoic acid and its conjugate base with a pH of 4.87. Draw the structure of the form (acid or conjugate base) that predominates after a decrease in [H3
> What is the pH of a solution of 0.054 M propanoic acid? The pKa of propanoic acid is 4.87. A. 5.90 B.4.30 C.3.07 D.7.00 E. 4.87
> If a propanoic acid/propanoate buffer is 0.025 M in propanoic acid and has a pH of 5.23, what is the molar concentration of the propanoate ion? The pKa of propanoic acid is 4.89.
> Write the formula for each ionic compound below, and circle if the compound is Ionic or Molecular. Compound Circle Formula Ionic or Molecular carbonic acid Ionic or Molecular lead(IV) phosphate Ionic or Molecular chromium(III) nítrite Ionic or Molecu
> Write a balanced molecular and net ionic equation that represents the hydrolysis of the following aqueous weak acids or bases. a. KC6H5COOH(aq) b. C6H5NH3CL(aq) c. C2H5NH2(aq) d. C6H5OH(aq)
> i. draw the Fischer projection for each carbohydrate below ii. label Fischer structure as a ketose or aldose iii. draw both stereoisomers for the cyclic hemiacetal iv. label each hemiacetal as α or β anomer a. Glucose Fi
> Fischer projection of D-glucose Haworth (cyclic) formulas α-D-glucose How does the structure of D-glucose compare to the structure of D-galactose? A.2 Fischer projection of D-glucose Haworth (cyclic) formulas a-D-glucose B-D-glucose A.
> Identify the conjugate base for each acid. Conjugate base of H2S Conjugate base of H2PO4- Conjugate base of NH4+
> 2. Draw the lewis structure and identify the functional group in each of the compounds below: a. (CH3CO)2CO b. C2H5NH2 c. C3H7NO2 d. (CH3)2CHCONH2 e. C4H9CN
> A popular scuba tank is the "aluminum 80" so named because it can deliver 80 cubic feet of air at "normal" temperature (72 degrees F) and pressure (1.00 atm,14.7 psi) when filled with air at a pressure of 3000 psi. A particular aluminum 80 tank has a mas
> Circle whether the following compounds are ionic or molecular. A. CuCl2 Ionic or Molecular B. SO3 Ionic or Molecular C. MGCO3 Ionic or Molecular
> Select the statements below that are true for this chemical equation: Pb2+ (aq) + Mg(s) → Mg2+ (aq) + Pb(s). There may be more than one correct statement. A. Mg is oxidized. B. Mg2+(aq) is the reducing agent. C. Mg(s) is the reducing agent. D. Pb is o
> Select the statements below that are true when an ice cube is placed in a glass of hot water. qwater =-Qce %3D Fce = qwater The energy gained by the ice cube will be equal to the energy lost by the water. The energy lost by the ice cube will be equal
> Select the statements below that are TRUE. Benzene and its derivatives tend to undergo electrophilic aromatic addition reactions. Benzene and its derivatives tend to undergo electrophilic aromatic substitution reactions. Substitution reactions have energ
> For each formula, write the name for each compound (Don't forget Roman Numerical necessary.), and circle if the compound is Ionic or Molecular. If the compound is ionic, circle if it is water soluble. If Ionic, water soluble? Circle Compound Name Ion
> Pattern baldness, moustaches and beard in human males are examples of a. sex-linked traits b. sex limited traits c. sex influenced traits d. sex determining traits
> Write a Lewis structure for each of the following negative ions, and assign the formal negative charge to the correct atom: (a) H3CO- (b) NH2 (c) CN (d) HCO2 (e) HCO3 (f) HC2 CTICE PROBLEM 1.11 Assign the proper formal charge to the colored atom in
> Determine the overall charge on each complex. hexacyanoferrate(II)
> Write the Lewis dot structure for HC2-
> Identify the conjugate base for each acid. Conjugate base of H3PO4 Conjugate base of HS- Conjugate base of NH4+
> Which of the following is a correct statement? Flammable gasses burn in the presence of oxygen. Inert gases and noble gases are explosive. Flammable gases are not explosive in the correct proportions. Nitrogen and helium are flammable gasses.
> Which of the following is a correct statement of Henry's Law (for real solutions)? PA = P°A "XA PA = POA "aA PA = KA "XA PA = KA "aA
> Do the following for the compound C2H5NO: 1. Complete the two resonance structures below. Add all necessary bonds and lone pairs 2. For both structures (A and B) assign the formal charges for atoms 1-3. 3. Based on the formal charges which is the best Le
> Part B AlH3 Draw the Lewis structure for the molecule. Include all lone pairs of electrons. If resonance structures are needed to describe the Lewis structure, draw all possible resonance structures. Part C N3− Draw the molecule by placing atoms on
> a. Draw the Lewis structure of BF3 and dimethyl ether (CH3OCH3). b. Determine the hybridization of the boron in BF3 and the oxygen in dimethyl ether. c. Sketch the 3D structure of the Lewis acid-base adduct that forms in the reaction between BF3 and di
> For the half-reaction below, which of the following is a correct statement? X* +e > X(s) E° = -2.174 V a) X* is readily reduced b) X* is a good oxidizing agent c) X is a poor reducing agent d) X is a good oxidizing agent e) X is readily oxidized
> Which of the following is a correct statement of Charles Law.
> Which is the most likely first step in the mechanism for this reaction? H20 H3O* + H,O + H2O + H20 + H20
> Which mechanism is most likely in this reaction? SN1 SN2 E1 E2 What is the major product of this reaction sequence? A B C What product is not formed of the reaction shown? A B C HBr Br HO. но. 1. TSCI, pyridine Meo 2. NaOMe C ОН H2SO4 A) B) C)
> The(The order o differential rate law for the balanced chemical reaction: f- kinetics in A aA(aq)+bB(aq)+ cC(a)products is given by The order of kinetics in B The order of) kinetics in C What are the order in each chemical, as well as the overall order o
> 1. Where do water and hydrochloric acid lie on the pH scale in relation to each other? 2. Give an example of a buffer and describe what it is used for. 3. Explain why conjugate pairs must be composed of weak acids and bases. 4. Is water a good buffering
> 1. What is chemical kinetics? 2. What do you understand by the rate of reaction? 3. What are the units of rate of reaction? 4. why certain reactions are very fast? 5. how does catalyst affect rate of reaction?
> Identify the conjugate base for each acid. Conjugate base of H2CO3 Conjugate base of HS- Conjugate base of NH4+
> Identify the conjugate base for each acid. Conjugate base of H2S Conjugate base of HCO3- Conjugate base of NH4+
> Identify the conjugate base for each acid. Conjugate base of H3PO4 Conjugate base of HPO42- Conjugate base of NH4+
> Identify the conjugate base for each acid. conjugate base of H2S: conjugate base of HCO3: conjugate base of NH4+:
> What is the lewis structure of NOF?
> which of these species have resonance or isomers? CH4, CH2Cl2, CH4O, H2O, H3O+, HF, NH3, H2O2, N2, P4
> Molecular Species Lewis structure Molecular geometry around central atom(s) (from the number of electron groups predict the shape) Polar or nonpolar? Structural isomers? CH4 CH2Cl2 CH4O H2O C2H2Br2
> Name the following alkenes using systematic names. 1. 2. 3. H3C, CH2 CH CH H3C CH CH2 by CH CH2 CH H2C CH CH2 CH2 CH CH2 CH2 H3C
> Which of the following statements is ALWAYS true about deposition? None of the other answers are correct AH <0 AG<0 As>0
> Explain why conjugate pairs must be composed of weak acids and bases.
> Do the lewis structure for ethanol and dimethyl ether.
> Consider the following statements and determine which are true and which are false. KrF4 has a tetrahedral structure. Bond angles for IF6+ are 60°. KrF4 is a non-polar molecule. SeF4 is a polar molecule. Silane (SiH4) is a non-polar molecule. NO3- h
> What is the pH of a 1.0 L of a 0.45 M solution of propionic (a.k.a. propanoic) acid? (pKa of propanoic acid is 4.88).
> Mass of flask and foil (g) = 63.4842 Mass of flask, foil, and condensed vapor (g) = 63.6995 Temperature of boiling water bath (C) = 95 degrees C Volume of flask (mL) = 134 Barometric pressure (mmHg) = 763.8 Room temperature (C) = 21.0 degrees C Vap
> Mass of flask and foil(g) - 64.5297g Mass of flask, foil and condensed vapor - 64.9787g Temperature of boiling water bath - 101.2 C Volume of flask (mL) - 153.0 Barometric pressure - 762.4 mmHg Room temp - 23 C Vapor pressure at room temperature - 100 mm
> Given: Mass of flask and foil (g) = 60.1560 Mass of flask, foil, and condensed vapor (g) = 60.4312 Temperature of boiling water bath (C) = 98.7 Volume of flask (mL) = 165 Barometric pressure (mmHg) = 752 Room Temperature (C) = 21.8 Vapor pressure at room
> Given: 1. Uncorrected mass of condensed vapor(g)= 0.2752 2. Corrected density of air(g/L)= 1.668 3. Average volume of flask (L)= 0.165 4. Initial mass of air in flask (g)= 0.2752 5. Final partial pressure of air in flask (mmHg)= 318 6. Final mass of air
> a. Draw both chair-flip conformations for trans-1-ethyl-4-isopropylcyclohexane b. Draw both chair-flip conformations for trans-1-ethyl-2-isopropylcyclohexane c. Using the axial energy values listed (the A-Values), calculate the relative energy differen
> Draw a stereoisomer of trans-1-ethyl-4-isopropylcyclohexane. *Use the wedge/hash bond tools to indicate stereochemistry where it exists.
> What happened when the cola and borax solution was each added to the water? Is water a good buffering system? Why or why not, chemically speaking?
> Draw and use chair conformations for conformational analysis. Draw both chair conformations for trans-1-ethyl-4-isopropylcyclohexane and circle the more stable conformer.
> Which of the following processes are exothermic, and which are endothermic? a. sweat evaporates from your skin endothermic exothermic b. clothes dry on a clothesline endothermic exothermic c. gasoline burns in your car endothermic exothermic
> 1. Give the common name for the following compound: Ph−C≡C−Ph 2. Give the common name for the following compound: 2,2-dimethyloct-3-yne 3. Give the common name for the following compound: hexa-1,5-dien-3-yne
> Give the common name for the following compound. N.
> Give the common names for the following compounds: NH2 он click to edit
> Which of the following processes are exothermic? Which of the following processes are exothermic? NaF(s) ? Na*(g) + F'(g) Li(s) ? Li(g) CI2(g) ? 2CI(g) Br(g) + e ? Br (g) None of the above are exothermic.
> Fenofibrate, a benzophenone derivative, has been used until recently to lower triglycerides and low-density lipoprotein (LDL) cholesterol, thus increasing high-density lipoproteins (HDLs). Starting from benzene and any other necessary reagents, complete
> Draw two additional resonance structures for the diene given below to illustrate that the formyl group (-CHO) is an electron withdrawing group by resonance. :
> Draw resonance structures for the following structures, and include the electron movement. СHM 221-M50 Lab 02 Resonance Structures K : NH2 E L : NH2 -E m. M CHO H. -E N сно --
> Provide five additional resonance structures (excluding the original structure) for the molecule shown below. CH30- -CEN
> Is water a good buffer? Confirm your answer by referring to your experimental results in Table 4.1.
> Identify the product of the Diels-Alder reaction below, taking effects of the substituents into account (draw resonance structures!!) CHO CHO CHO CHO CHO CHO CHO
> CHM 221-M50 Lab 02 Resonance Structures & N = CHM 221-M50 Lab 02 Resonance Structures NH2 LNH м сно N CHO Resonance Structum NEN N: H. O: :NH2 H LE Resonance Structure K :NH2 E L : NH2 M CHO -E
> Rank the indicated bonds in order of increasing bond polarity. H3C. H3C H. C=S C=0 H3C. NH HạC. CH2 C=CH C=N
> Determine the overall charge on each complex. a. hexafluoroaluminate(lll) b. triamminetriiodocobalt(lll) c. diaquadichloroethylenediaminecobalt(lll)
> Metanoia requires 0.045 M of KF solution during lab; however, her instructor warns about the danger of placing a solution of less than 4 pH in a bucket susceptible to breakdown. To mitigate this risk, she wishes to calculate the pH to guarantee that her
> What is the best acid-base description of the image? A. diprotic acid B. A binary acid C. An amphiprotic molecule D. A Bronsted-Lowry base H.
> Calculate the pH of a 0.045 M KF solution Hint: Evaluate if the cation or the anion disturbs water's equilibrium. If the cation disturbs water equilibrium, find Ka and solve as an acid. If the anion disturbs water's equilibrium, then find Kb and solve as
> A 10.8 g sample of methylammonium chloride, CHNHCl, is dissolved in enough water to make 250. mL of solution. Calculate the pH. Use Table 15.4 for relevant K values. Calculate the pH of a 0.045 M KF solution.
> a. What are the requirements for hydrogen bond formation? b. Alcohols are organic molecules defined by the hydroxyl (OH) functional group. The simplest alcohol is methanol, CH3OH. Draw Lewis structures showing two methanol molecules interacting with each
> Provide the IUPAC name for this compound.
> Is water a good buffering system? Explain your scientific reasoning.
> For each of the following: Determine the total valence count Draw a valid Lewis structure Determine whether the molecule is polar or nonpolar CH2Br2 SeS2 KrF4
> Draw the Lewis structure for KrF4 and answer the following question. What is the hybridization on the central atom? dsp3 sp sp2 sp3 d-sp
> Label the functional groups in the molecule. alkaxy group -> halo group hydroxy group alkoxy group Br halo group amino group halo group → Hơ NH - amino group halo group amino group → HƏN
> CIO2 KrF4 Lewis structure Total # of valence electrons electron groups (domains) on central atom resonance structures (Yes or No) Molecular geometry Angles around central atom Formal charge on central atom Polar CIO2 KRF4 Lewis structure Total # of v
> Draw the Lewis structure for the trisulfur (S3) rule molecule. Be sure to include all resonance structures that satisfy the octet rule.
> Select the statements below that are TRUE. A. Benzene and its derivatives tend to undergo electrophilic aromatic addition reactions. B. Benzene and its derivatives tend to undergo electrophilic aromatic substitution reactions. C. Substitution reactions h
> A. For each formula, write the name for each compound (Don't forget Roman Numerals, if necessary.), and circle if the compound is Ionic or Molecular. Circle Compound Name Ionic or Molecular Fe(NOz)2 Ionic or Molecular 2 KCr;O, Ionic or Molecular (NH)
> For the molecule TeF6 give the following: Lewis Structure (include normal, wedge, and dotted lines when necessary), Number of valence electrons, Number of bonded atoms on central atom, Number of lone pairs on central atom, Central atom steric number, Bon
> Show how to carry out the following transformation. Br
> Show how to carry out the following transformation in the highest yield possible. Select the appropriate reagents and draw the correct organic product at each step. Overall reaction (not graded) Br Select answer Select answer
> Using Lewis structures, show the interaction between two molecules of C2H5NH2 and name the type(s) of interactions involved.
> Show how to carry out the following transformation in the highest yield possible. Select the appropriate reagents and draw the correct organic product at each step. Overall reaction (not graded) Select answer Select answer
> Show how to carry out the following transformations: CH3 CH3 HN CH3 CH3 HN OH a. b. HN CH3 CH3 HN CH3 CH3
> Show how to carry out the following transformations. Include all reagents, all intermediates and relevant. a. Ph ? b. C. ?
> Show how to carry out the following transformations: а. Но NH HN CH3 CH3 CH3 CH3
> Synthesis problems: show how to carry out the following transformations. CI N. H HO, H. NHCH3 OCH3
> For a particular isomer of C8H18, the following reaction produces 5093.7 kJ of heat per mole of C8H18(g) consumed, under standard conditions. For a particular isomer of CeHsg, the following reaction produces 5093.7 kJ of heat per mole of CeHelg) cons
> Draw the mechanism for the acid-catalyzed dehydration of 2-methyl-2-pentanol to yield 2-methyl-1-butene.
> Provide detailed mechanisms for the dehydration of 2-methyl-2-pentanol. OH H2SO4, H2O THF, heat
> What is the mechanism for the complete dehydration of 2-methyl-2-pentanol?
> Which product(s) would be produced by acid-catalyzed dehydration of 2-methyl-2-pentanol? and and
> Structural formula Condensed Structural Formula Lewis Structure CH3OCH2CH3 Condensed Structural Formula Lewis Structure CH;OCH;CH; CH,CO,CCH, C;H;NH2 C,H,CO;CH3 CH.CONHCH, CH;COCH, CH,COH CH,OH CH;CH;CO,H
> The names of some compounds and values of Lattice energy are given B below. (Not in any order) Compounds: MgBr2, AlBr3, CaBr2, LiBr Lattice energy KJ/mol: 2176, 5361, 807, 2440 The Lattice energy of CaBr2 is A. 2440 KJ/mol B. 2176 KJ/mol C. 5361 KJ
> The lattice energy of CaBr2 can be calculated using the BornHaber Cycle. Explain in words why you would expect aluminum chloride to have higher magnitude lattice energy.
> Draw the following line structure. a. 6-neopentylnonadecane b. 1-cyclopropylpentane c. Trans-1-ethyl-4-isopropylcyclohexane
> For trans-1-ethyl-4-isopropylcyclohexane, which two chair conformations are in equilibrium? A A D
