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Organic Reactions

Organic Chemistry

1.5 The alkene structure that upon ozonolysis-reduction yields CH3COCH3 + CH3CH2CHO is a. CH3CH2CH2CH2CH=CH2 b. (CH3)2 C = C(CH3)2 c. (CH3)2CH2CH=CHCH3 d. (CH3)2C=CHCH2CH3 1.6 The best reagent to use to obtain 2-methyl-1-cyclohexanol from 1-methyl-1-cyclohexene is a. H20 plus dilute acid b. O3 follo

Organic Chemistry

1. Which of the following intermediates is believed to occur in the mechanism by which alkenes are hydrated in the presence of acid? a. carbocation b. free radical c. carbanion d. carbene 2. HBr can be added to an alkene in the presence of peroxides (ROOR). What function does the peroxide serve in this react

OrgDesigning synthesis for propane, calculating saturation, boiling point

Design a synthesis for the following product. Use the starting materials that are indicated and any other reagents that you might need. a. 2-propanol (CH3CHOHCH3) from propane 1. Calculate the degree of unsaturation in C4H6 and draw at least 4 isomers with this formula. 2. Explain why dichloroethene has a boiling point of

Organic Chemistry

4. Use the bond dissociation energies (kcal/mole) listed below to predict which of the following statements 1 or 2) would be expected to yield the most product. Be sure to show your work. R-H (98) R-C (81) RI (53) Cl-Cl (58) I-I (36) H-Cl (103) H-I (71) 1) RH (g) + Cl 2 (g) - > RCL(g) + HCL (g) 2) RH (g) + I2 (g) -> R

Organic Chemistry - Stepwise mechanism, relative reactivity

1. Write a detailed, stepwise mechanism to account for the following reaction. Be sure to include ALL the components of the mechanism. hr CH3CH2CH3 + BR2 -> CH3CHBrCH3 + HBr 2. When 2, 2-dimethylbutane is subjected to free radical chlorination, the relative reactivity of the types of hy

Experimental analysis

The attached document gives the procedure and results for a hypothetical experiment. Four questions follow the information provided. Please answer those four questions. (See attached file for full problem description) --- A certain experimental procedure is as follows: 1. You react an unknown alcohol with acetic anhyd

Identifying an Unknown Liquid and Precipitate

A high-boiling bp = 202 - 204 degrees C, burns with a yellow, sooty flame. Sodium fusion indicates that halogens, nitrogen and sulfur are not present. It is not soluble in water, dilute sodium bicarbonate solution, or dilute hydrochloric acid. However, it proved to be soluble in 5% aqueous sodium hydroxide solution. The compound

General Chemistry: Energy, Volume, Mass, Molarity, and Moles

Benzene is an organic solvent with the formula C6H6. It boils at 80.1 degrees celcius and melts at 5.5 degrees Celsius. Benzene's density is 0.88gm/ml; its heat of vaporization is 30.0 Kjoules per mole; its heat of fusion is 7500 Joules per mole; and its heat capicity is 120 Joules per mole degree C for liquid benzene, 75 Joules

SNAr Mechanism of Piperidine with 2,4-Dinitrobenzene

A) Write a detailed mechanism for the reaction of piperidine with 2,4-dinitrochlorbenzene. b) A "spiro" species has two rings that have one carbon atom in common. Outline a synthesis of the spiro Meisenheimer complex shown in the attachment, starting with 1-chloro-2,4,6-trinitrobenzene.

Ceric Ammonium Itrate Test

1. In a lab experiment, we added 2 ml of ceric ammonim nitrate reagent to a test tube. Then, we added 2 drops of Salicylic acid (2.hydroxbenzoic acid). We came up with a sort of dark brown or deep rusty color. This was a positve result. The questions are: why did salicylic acid give a positive ceric ammonium nitrate test? Wh

Yield of Grignard Reactions

Propene reacts with hydrobromic acid to yield 2-bromopropane via Markovnikov addition about the double bond of the alkene. The organic halide then reacts with 2-propanone(acetone), Mg metal and hydrochloric acid via Grignard reaction to yield 2,3-dimethyl-2-butanol. Write the chemical equations for these reactions using line d

Aldol Condensation

In an aldol condensation, why might it be essential that the benzaldehyde contain no benzoic acid?

Structures for Isomers

Question: Two structural isomers are formed when 2-methyl-1,3-butadiene reacts with ethyl acrylate (ethyl 2-propenoate). Draw structures for these isomers.

Vinegar and Eggshells Reaction

When vinegar and eggshells are combined a reaction ocurrs that produces new chemicals. Show a balanced equation for this reaction.

Buffers and Buffer Type Solutions

1. The Common Ion Effect. What is the pH of a solution that contains 0.250-M benzoic acid and 0.600-M sodium benzoate? 2. Buffers. A buffer solution is made of 0.100 M HOCl and 0.250 M NaOCl. What is the pH of the resulting solution when a 15.0-mL portion of 0.200 M HCl is added to 100.0 mL of the buffer? 3. Prepa

Chemistry - Functional Groups

This question is concerned with the compound lidocaine. Identify one amine and one amide functional group in the above compound. Draw the abbreviated structural formulae of the products of the complete hydrolysis of the compound. Identify any new functional groups in the products and name them. (See attachment for diagr

Important information about Chemical Reaction

The attached file contains the visual depiction of the chemicals compounding. In the diagram, the equation for the following reaction is incomplete, with only the reactants shown, The missing product(s) are indicated by a question mark. Identify any functional group(s) in compounds 1 & 2 by circling them and naming them clearly.

Aromatic Chemistry: Synthesize a Compound

Synthesize the following compound. You may also use any organic compounds containing three or less carbon atoms, benzene, N-bromosuccinimide, triphenylphosphine, meta-chloroperbenzoic acid (MCPBA), methylvinyl ketone, lithium diisopropylamide (LDA), ethyl acetoacetate (acetoacetic ester) and diethyl malonate (malonic ester), as

Synthesis Problems

Draw the structure of the major organic product for each of the reactions shown in the attached document. Be sure to indicate stereochemistry.

3 organic chemistry problems

43) which the following reactions does not proceed significantly to the right in aqueous solutions? a) Hsub3O^+ + OH^- --> 2Hsub2O b) HCN + OH^- ---> Hsub2O + CN^- c) Cu(Hsub2O)sub 4^2+ + 4 NHsub3 ---> Cu(NHsub3)sub4^2+ + 4Hsub2O d) Hsub2SOsub4 + Hsub2O ---> Hsub3O^+ + HSOsub4^- e) Hsub2O + HSOsub4^- ---> Hsub2SOsub4 + O

Chemistry Problems

9.24 When you are in a supermarket, which do you usually request, plastic or paper grocery bags? List the advantaged and disadvantages of plastic versus paper bags, and decide which is preferable. Then prepare a latter to the editor of a newspaper clearly stating your position and explaining your reasons for it. 9.27 A

Photochemical chlorination

Assume that all the methylene groups in the alkane are equally reactive as sites of free-radical chlorination. a) Photochemical chlorination of heptane gave a mixture of monochlorides containing 15% 1-chloroheptane. What other monochlorides are present? Estimate the percentage of each of these additioanl C7H15Cl isomers in

Homologous Series of Compounds

Please see the attached file for full problem description. --- 1) Ethanal is the common name for acetaldehyde. And it has the formula C(-CH3, =O, -H) (I will show carbon compounds this way, first the carbon and then its constituents, "-" is for single bond and "=" for double bond) and benzaldehyde has the formula C(-Ar=O

The Limiting Reagent and Percent Yield

I need helping with how to determine a limiting reagent and percent yield. For the following question, I started out with 0.60 grams of trans-cinnamic acid and added 3.5 mL of dichloromethane and 2.0 mL of 10% bromine in dichloromethane solution. I re-fluxed the reaction, and, during re-fluxing, added a couple more drops of the

Reaction of an Alcohol to Produce an Alkyl Halide

N-butanol reacts with NaBr and H2SO4 to produce n-butyl bromide, via refluxation reaction in a lab experiment. a) Why is an excess of sulphuric acid used? b) Why is concentrated sulphuric acid is more effective than water in removing trace amounts of alcohol to form an alkyl halide? c) What two other organic products ma

Extraction

Using extraction techniques how would you separate a mixture of aniline and toluene using dichloromethane as the extraction solvent? Give a step by step procedure that you would use.