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Organic Chemistry

Enantiomers and Order of Elution

The enantiomers (R and S forms) of the following chiral alcohols need to be separated by a suitable CHIRAL SEPARATION method. What is a reasonable approach that will yield the separations of the two isomeric alcohols and their enantiomers. Rationalizing the approach used on the basis of chiral recognition mechanism. What will

Colligative Properties

An unknown organic compound is a nonelectrolyte known to be composed of C, N, O, and H. Combustion analysis showed that it contained 67.3% C, 4.62% N, and 6.93% H. A solution made by dissolving 1.20 g of the unknown compound in 25.0 g of benzene had a freezing point of 4.7 degrees Celsius. Determine: a) the empirical formula b

Calculating the Distribution Ratio

Question: You are given an organic acid that has a pKa value of 5.0 and a distribution constant of 3 between H2O and Toluene. Calculate the distribution ratio of this compound at pH=6.

Partial pressure of CO2 in blood.

The plasma (HCO3-) of an individual living at a high elevation is 18.5 meq/L. If this concentration of bicarbonate fully compensates the decrease in PCO2 found at the higher elevation, the PCO2 must be: 15, 18, 21, 31, or 37 mm Hg.

Under what conditions does Y became an eigenfunction of A?

Suppose that O1 and O2 are eigenfunctions of a linear operator A with eigenvalues a1 and a2, respectively, and that we construct a linear combination Y=C1O1 + C2O2. Under what conditions does Y became an eigenfunction of A? Show reasoning.

How to set-up and solve the problem.

Prove the relationship [x,px]=ih, where px =-ihd/dx. Namely, show that applying the commutator [x,px] to any function f(x) is equal to multiplying ih to f(x).

Steps in the synthesis of compounds

The professor wants us to do the following: Outline all steps in the possible synthesis of each of the following compounds from benzene and / or toluene, using any necessary aliphatic or inorganic reagents. Assume a pure para isomer that can be separated from an ortho/para mixture a) ethylbenzene b) phenyacetylene c) iso


Do the following, starting from alcohol that contains four or less carbon atoms and from benzene and toluene, outline how the following can be synthesized: a) 2,3-dimethyl-2-butanol b) 2-bromo-2methyl hexane c) 1,2-diphenyl-2-propanol d) 1-parabromophenyl-1phenal-1propanol

Hexene Combustion

Predict the product and write a balanced equation for the hexene combustion.

Pentane Combustion

What is the product, write formula, and type of reaction that occurs for pentane combustion?

pH Calculation of a Solution Formed During Titration

Calculate the pH of the solution formed during a titration upon adding 35.0 ml of a standard .150M NaOH solution to: a. 15.00 ml of .200 M CH3COOH Ka = 1.8 x 10^-5. b. 36.0 ml of .100 M malonic acid, (H2M) (Ka1 = 1.42 x 10^-3, ka2 = 2.01 x 10^-6

Naming carbon chains according to IUPAC.

The following are incorrect efforts at naming certain compounds. What are the correct IUPAC names? a) propyl chloride b) isobutyl iodide c) t-butyl bromide d) ethyl bromide