An unknown compound of molecular formula C5H10O2, gives the HNMR data shown below. Which of the following structures is consistent with the data? A doublet at 1.23 ppm (6H), a Singlet at 2.10 (3H, and a Septet at 4.98 ppm (1H) (a) (b) (c) НО, H. (d)
Q: Naturally occurring carotene primarily exists in two different forms, called a-carotene and…
A: Naturally occurring carotene primarily exists in two different forms, called α-carotene and…
Q: 1. Between Pentafluoroethane (C2HF5) and Difluoromethane (CH2F2), which molecule has the most…
A: “Since there are multiple questions and it is not mentioned that which one has to be solved so I am…
Q: The alkyl radical, C6H12, is called: O hexanyl O heptanyl O heptyl O hexyl
A: Alkyl radical , C6H12 is called
Q: Rank the following compound in terms of increasing predicted boiling points. Explain your answer.…
A: Measurment of boiling point and melting point are two conventional technique for the determination…
Q: 7. la) Use Woodward-Feiser rules to calculate the Amax of compound (1} and (II) : (I} (II}
A: This question is based upon UV Spectroscopy. And we have to calculate the lemda max using Woodward…
Q: 2. Calculate the missing data in the following table. Compound AHvap (kJ/mol) ASVaR [J/(mol.K)]…
A: Answer: Entropy change for vaporization process is: ∆Svap=∆HvapTb
Q: Give the balanced chemical equation and show a detailed arrow-pushing mechanism for the reaction of…
A: We have to give the balanced chemical equation and show a detailed arrow-pushing mechanism for the…
Q: Which method would you use for quantitative analysis of O3, NOx, CO, alkanes? Explain their…
A:
Q: Identify the two geometric isomers of stilbene, C6H5CH=CHC6H5 from their λmax values, 294 nm and 278…
A:
Q: Proton 1 moves with a speed v from theeast coast to the west coast in the continental United States;…
A: (a) As the proton 1 is moving perpendicular (east cost to west cost) to the magnetic field direction…
Q: Estimate the heat released when 1-butene(CH3CH2CHCH2) reacts with bromine to give CH3CH2CHBrCH2Br.…
A: The chemical equation for the mentioned reaction is:
Q: Ethyl butanoate, CH;CH;CH;CO,CH;CH3, is one of the many organic compounds isolated from mangoes.…
A:
Q: Why are the C2H7 molecular formula impossible?
A:
Q: Dexamethasone is a corticosteroid used in a wide range of conditions for its anti-inflammatory and…
A: Chiral carbon or chiral center :- A carbon atom which is bonded to four different atoms or groups is…
Q: Dexamethasone is a corticosteroid used in a wide range of conditions for its anti-inflammatory and…
A:
Q: 7. (a) Use Woodward-Feiser rules to calculate the Amax of compound (I) and (II): (II) (I) Turn Quer
A: Woodward–Fieser rules are used to predict the wavelength of the absorption maximum (λmax) in an…
Q: thane is greenhouse gas that is about 23 times more effective on a molecular bon dioxide in causing…
A: Stoichiometry is branch of chemistry that is related to the quantities of reactants and products in…
Q: 2. 2C3H180) + 250%– 16CO1e+ 18H;Om.Calculate the heat of combustion of octane using the supplied…
A: Since you have asked multiple questions, we will solve the first question for you. If you want any…
Q: Calculate the theoretical density of zinc at room temperature knowing that it has An HCP structure…
A:
Q: In which one of the following molecules is hydrogen bonding present? Group of answer choices A. HCl…
A:
Q: There will be very little H2 and I2. There will be very little HI. Neither of the above is true.
A: 1) At Equilibrium, reactant concentration is more than Product Concentration. Because small amount…
Q: Two compounds are isomers if they have the same chemicalformula but different arrangements of atoms.…
A: The standard bond enthalpies are: Bond Bond enthalpy C-H 413 kJ C-O 358 kJ C=O 799 kJ C-C…
Q: What is steric hindrance in a conformation? Then draw a picture to illustrate the concept?
A: Hi there, as there are multiple questions posted. We are answering the 4th question. If you need…
Q: Q5. Explain the differences between VBT and CFT in terms of bonding?
A:
Q: Rank the following compound in terms of increasing predicted boiling points. Explain your answer.…
A: Intermolecular forces refer to the type of interactions which are present within the atoms or…
Q: (2d-404) Place the following molecules in order from lowest boiling point to highest boiling point…
A: The order of increasing boiling point of the given molecules is E < D < B < A <C..…
Q: In the molecule 2 methyl hexane, how many of the C-C bonds have staggered conformers that are…
A: When the conformer structures experiences the less steric strain, it is considered as a stable…
Q: Predict theλmax of the following compound:
A: It is given a molecule hex-1-en-3-one and its λmax value needs to be determined using UV-visible…
Q: Provide the correct structure of a compound that gave the data below MS: M m/2 144.04 relative…
A:
Q: জट रजं अज्यलंजल Iets
A: We have to predict the Lewis structure for given compound.
Q: Next, the infrared spectra of some polymeric materials are presented. Determine a structure for each…
A:
Q: 11. Complete the chart. (Total point value for chart: 28) **You should not have the same answer for…
A: The answer for the following question is :
Q: Which of these structures fit the following descriptions? Select all that are correct.
A: In the first statement, the given alkyl halide can produce two different alkene products. One of…
Q: How many kinds of H’s are there in the isomers of dimethylcyclopropane? Draw their structures and…
A: Stereoisomerism is a type of isomerism which have same molecular formula but different arrangement…
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: If an average O3 molecule “lives” only 100–200 seconds inthe stratosphere before undergoing…
A:
Q: One isomer of retinal is converted to a second isomer by the absorption of a photon: CH3 H CH3 H H;C…
A: a). Chemical structure of the retinal: In the structure of 11-cis (in 4-cis) retinal, whenever a…
Q: What is the value for Kb Na2C6H6O6?
A: Given : Salt Na2C6H6O6. Since the salt contains cation of strong base, NaOH and anion of weak acid,…
Q: An organic compound can have one of the following structures: The Amar of the ethanolic solution is…
A:
Q: Draw a three-dimensional representation of the oxygen-bearing carbon atom in ethanol, CH3CH2OH,…
A: The three-dimensional representation of the oxygen bearing carbon atom in ethanol using the standard…
Q: 3H singlet 3H 2H triplet quartet 4H multiplet PPM A: B: C: D: O A
A: Thus the correct option is option D.
Q: Why is this wrong ? And explain
A: To explain why the given mechanism is incorrect.,
Q: Compare Structure I below with Structures A, B, and C and match each structure with the correct…
A: This problem can be solved by knowing formation of different isomers . Such as constitutional…
Q: 7. (a) Use Woodward-Feiser rules to calculate of compound (I) and (!I): the 2max (I) (II)
A: These rules provide a theoritical basis to calculate wavelength of transition in UV visible…
Q: Explain why the molecules with central atoms in period 2 do not follow a similar trend for lines…
A: The element of period 2 is Boron, Carbon, Nitrogen, Oxygen, Fluorine, Neon.
Q: one of the chair structures of cis-1-chloro-3-methylcyclohexane is more stable than the other by…
A: Given: One of the chair structures of cis-1-chloro-3-methycyclohexane is more stable than the other…
Q: 2. Compare SANS and SAXS and NMR techniques determining polymer chain structure, which one requires…
A: SANS, SAXS, and NMR are important spectroscopic techniques that are used in the chemical analysis of…
Q: The analysis of the structure of compound X which has the molecular formula C14H10O2 provides…
A: The question is based on the concept of molecular Spectroscopy. we have been given molecular formula…
Trending now
This is a popular solution!
Step by step
Solved in 5 steps with 5 images
- (a) 1) Br₂, H3O+ 2) pyridine, 80°C2. From the reaction: BaHs + Oz - HBO2 + H20 (a) What theoretical mass of O2 will be needed to bum 36.1 g of BaHo? (b) What mass of Oz will be needed to burn 36.1 g of BHs if O2 is 60% in excess? (c) What volume of 60% in excess air at 1 atm and 25 deg Cis needed to bum 36.1 g of BzHs? (d) How many moles of water are produced from 36.1 g of BaHs?For the chlorination of propane, the two isomers shown here are possible. CH;CH;CH, + Cl, ÇI CH;-CH,-CH,-d + CH;-CH-CH; 1-chloropropane 2-chloropropane Propane has six hydrogen atoms on terminal carbon atoms- called primary (1°) hydrogen atoms-and two hydrogen atoms on the interior carbon atom-called secondary (2) hydrogen atoms. a. If the two different types of hydrogen atoms were equally reactive, what ratio of 1-chloropropane to 2-chloropropane would we expect as monochlorination products? b. The result of a reaction yields 55% 2-chloropropane and 45% 1-chloropropane. What can we conclude about the relative reactivity of the two different kinds of hydrogen atoms? Determine a ratio of the reactivity of one type of hydrogen atom to the other.
- (a) (b) (c) C6H5NHCH3 + HC1 (CH3CH₂)2NH + HNO3 IN CH5NH2 NH₂ AICI 3 1) LiAlH₂/H₂O 2) ethyl acetate + H3PO3 2 HCI + NaNO₂ 2 H₂O NaCl HCI OH 1. HNO3, H₂SO4 2. Zn(Hg), HCI1: In the sweetening MEROX process for kerosene the mercaptans are converted into (a) Sulpher (b) Disulphide (c) Hydrogen sulphide (d) None of these 2: Which of the following products contain maximum sulphur? (a) Diesel fuel (b) Fuel oil (c) Jet fuel (d) LPG 3: Which of the following petroleum product has a maximum C/H ratio (by weight)? (a) Light diesel oil (b) Fuel oil (c) Naphtha (d) Heating oil 4: Which of the following hydrocarbon are most desirable in gasoline? (a) Paraffins (b) Isoparaffins (c) Naphthenes (d) Aromatic 5: Octane no. of paraffins: (a) Remain constant with change in the number of carbon atoms (b) Increases with increase in the number of carbon atoms (c)Decreases with increase in the number of carbon atoms (d)None of the above 6: Which of the following hydrocarbons has a maximum octane number? (a) Benzene (b) Cyclohexane (c) Hexane (d) Iso-hexane 7: Which of the following petroleum products has a minimum flashpoint? (a)Gasoline (b) Kerosene (c) Fuel oil (d) Heating…especially for B TO X, D to Y, and G to H, I => React with (CH3CO)2O , : N (C2H5) 3
- The bond length of the indicated C-C single bond in hexa-1,3,5-triene is about 146 pm, which is considerably shorter than that in ethane, H3C-CH3. (a) How much shorter is it? Hint: See Figure 14-2, page 685. (b) Which occupied T MOS (obtained in Problem 14.32) help decrease this bond length? (c) If an electron were promoted from the HOMO to the LUMO, would the length of the C-C single bond increase, decrease, or stay roughly the same? Explain. 146 pmCalculate AHrxn for the following reaction: 5C(s) + 6H2 (g) > С;Н12 (1) Use the following reactions and given AH values: C; H12 (1) + 802 (g) → 5CO2 (g) + 6H2O(g), C(s) + O2 (g) → CO2(g), 2H2 (в) + О-(g) — 2H20(g), ΔΗ -3244.8 kJ ΔΗ -393.5 kJ ΔΗ -483.5 kJ Express your answer to four significant figures in kilojoules.A medicinal chemist at Orgalex Labs, a little known division of a big international pharmaceutical firm, has predicted the major product of the following reacti an early step in the synthesis of Compound R40 (rumored to be a cure for rhinitis, spontaneous combustion, and bad luck): or=0x0 HBr OH As Vice-President of Research, it's your job to decide whether the chemist has made a reasonable prediction. • If your answer is yes, these could be the major products of the reaction, draw the complete mechanism for the reaction below. • If your answer is no, check the box under the drawing area. Ö U OH Br H-Br Add/Remove step Click and drag to start drawing a structure.
- Reaction Yield (2 parts) Organotin compounds play a significant role in diverse industrial applications. They have been used as plastic stabilizers and as pesticides or fungicides. One method used to prepare simple tetraalkylstannanes is the controlled direct reaction of liquid tin(IV) chloride with highly reactive trialkylaluminum compounds, such as liquid triethylaluminum (AI(C₂H5)3). 3SnCl4 + 4AI(C2H5)33Sn(C₂H5)4 + 4AICI 3 In one experiment, 0.280 L of SnCl4 (d = 2.226 g/mL) was treated with 0.484 L of triethylaluminum (AI(C₂H5)3); d = 0.835 g/mL). What is the theoretical yield in this experiment (mass of tetraethylstannane, Sn(C₂H5)4)? 1pts Submit Answer Incorrect. Tries 1/5 Previous Tries If 0.418 L of tetraethylstannane (d = 1.187 g/mL) were actually isolated in this experiment, what was the percent yield? % 1pts Submit Answer Tries 0/5 Copyright: Department of Chemistry, Simon Fraser University - SFU Chemistry 2000-2022 Post Discussion Send Feedback(b) Predict the suitable solvent (H2O or CH3COCH3) to increase the reaction of bromopropane (CH3CH2CH2B1) with sodium hydroxide (NaOH). Two reactions are shown below: NaOH, 55 °C CH;CH,CH,Br CH;CH,CH,OH + NaBr H,O (i) NaOH, 55 °C CH;CH,CH,Br CH;CH,CH,OH NaBr H,C CH (ii)Calculate AH° for the reaction: CS2(1) + 202(g) CO2(g) + 2S02(9) AH;° CO2 (9) = -393.5 kJ/mol AH;° SO2 (9) = -296.8 kJ/mol AH;° CS2 (1) = 87.9 kJ/mol