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Organic Reactions

5 questions (L6)

20. Discuss what you would observe after elution and visualization of a TLC plate having made the following mistakes in carrying out the analysis. a. The solvent level in the developing jar was higher than the original line on which the samples were spotted. b. Too much sample was applied to the TLC plate. 14. Suggest a

4 questions (L6) Lab

13. What chemical tests might be used to distinguish between pentanal and 2- pentanone; between benzyl alcohol and diphenylmethanol? 17. The haloform reaction using 12 and NaOH is referred to as the "iodoform" test for methyl ketones. The test also gives positive results for compounds containing the -CH(OH)CH3 group. This

A compound, A, c6h8, yields a single organic product, B, upon ozonolysis and absorbs two moles of hydrogen on catalytic hydrogenation to give C. Further reaction of B with chromic acid converts B into carboxylic acid D. Give the structures of A,B,C,and D

A compound, A, c6h8, yields a single organic product, B, upon ozonolysis and absorbs two moles of hydrogen on catalytic hydrogenation to give C. Further reaction of B with chromic acid converts B into carboxylic acid D. Give the structures of A,B,C,and D

Organic Products and Reactions

What organic product(s) are formed when 1-methylcyclopentanol is heated in the presence of an acid catalyst? Write an equation for the oxidation of 2-propanethiol.

Organic reactions

Complete the following reactions h2so4 C-C-C=C + H2O ---------> ? | C can't figure that one out or this one ___ Fe C__/ __C + Br2 --------> ? ___/ (I think this is called a para dimethyl toulene) or is it called so

Organic Chemistry

Please verify my answers if I am wrong please correct me. Provide me with the correct answer. 5. 1. 2-bromopropane 2. 2-chloropropane 3. 2-propanol 4. 2-propanol 5. 1-Iodo-2-methylcyclopropane 6. 1,2-diblpropane 6. Heating the alcohol shown produces 1, 2 - dimethylcyclohexene. Please verify that I am correct. PLEAS

Detailed synthesis of aromatic organic compounds

I have to perform two synthesises of the compounds shown in the attatchment. I have to use the following starting materials as sources of carbon: benzene, acetylene, diidomethane, carbon dioxide, sodium cyanide, and any monofunctional alcohol with three carbons or less. What are some good suggestions as to the methods/routes I s

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

Rate of Reaction Steps

Consider the Reaction If the concentration is tripled, the reaction rate triples. If the concentration of CH3CH2OH is doubles, the rate stays the same. Write a rate expression for this reaction and show the mechanism to explain this information. Include a discussion of reaction intermediate stability. Predict the E2 produ

isobutylene Products and Mechanism

When isobutylene (CH3 - C=CH2) is treated with acid, two products result: 2, 4, 4-trimethyl-2-pentene and 2,4,4-trimethyl-1-pentene. Draw the products and show a mechanism to account for them.

Organic Chemistry

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 - Molecular Dipole, Nucleophile

4. For each pair of compounds below, indicate the more reactive in the type of mechanism specified. Briefly state why. a. S(superscript)B2 (superscript): (CH3)3CCH2Br vs CH3CH2CHBrCH2CH3 b. El: CH3CHICH3 vs. CH3CHCLCH3 c. S(superscript)B1 (superscript): tert-butychloride solvolysis in 70% water - 30% acetone vs in 50 % wat

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 - Stepweise 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

Organic Reactions

For the formation of the following esters, supply the missing reactant a) o c = - c-c-c-c-o-c-c-c - c (O is double bonded to C) b) O = c-c-c-c-c yields (with H2/Pt) ?? (Double bond O) c) O = c-c-c-o-c-c-c yields (with H+/H2O) ?? (double bond O) d) O

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 Reaction

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

Diels-Alder Reaction

C10H14(A) can only react with 2 equivalents of H2. C10H14 reacts with O3 to yield only one product (this product is attached.) Determine the two possible structures of (A). State which one could react with maleic anhydride.

Organic Synthesis

Outline synthesis of 1,3-butadiene starting from a) HOCH2(CH2)2CH2OH b) CH2=CHCH2CH2OH c) CH2=CHCH2CH2Cl d) CH2=CHCHClCH3 e) CH2=CHCH(OH)CH3

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.