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When a high energy electron impacts molecule M in the ionization chamber of a mass spectrometer, what type of species is initially produced?
Predict whether the molecule would be expected to show aromatic character or not? Expain your answer.
The 6-membered ring contains alternating double and single carbon-carbon bonds. Which of the following is an incorrect description of benzene?
How can you distinguish chemically between starch and three other carbohydrates (sucrose, glucose, & lactose)?
A colorless liquid A (C3H6O) was soluble in water and ether, and had a boiling point of 94-96 degrees C.
Describe the intermolecular force that must be overcome in converting each of the following from a liquid to a gas.
Draw the structure for the compound with formula C10H12O2 and the proton NMR spectrum.
A colorless liquid A (C3H6O) was soluble in water and ether, and had a boiling point of 94-96 degrees Celsius.
Choose an alkene having cis and trans isomers and draw one of these (give name of alkene also). Determine the strain energy.
Describe at least 4 methods that could be used to attempt to separate the oil and water at home.
Write equations for the combustion, dehydration and oxidation of these alcohols and give the group names of the products.
What causes cycloalkanes to have two less hydrogen atoms than similar alkanes that are open chain ones?
Does the isolation of the B-Hydroxyketone suggest which step in the aldol condesnation is the rate determining step in this case?
Why doesn't the dibenzalacetone product react (via the aldol condensation pathway) with the excess benzaldehyde in the reaction mixture?
Identify organic compounds in medications. Determine the structure of one active component and identify three functional groups on each molecule.
Compounds such naphthalene and 1,4-dichlorobenzene fine use as mothballs since they sublime at a slow rate at atmospheric pressure.
What does the 1H-NMR spectrum and the IR spectrum look like (with notations on each peak on both spectra) for propyl p-tolyl ether?
The iodine monobromide molecule, IBr, has a bond length of 2.49 Angstroms and a dipole moment of 1.21 D.
The purpose of this experiment is to introduce the technique of crystallization, a very common procedure used to purify crude solids in the organic laboratory.
What reagent will react by addition to what unsaturated hydrocarbon to form each of the following compounds?
When you had to form a photochromic imine you had to use ammonium bromide instead of HBr.
In an experiment you combine 4-methyl-2-pentene and water, in the lab you setup the experiment using a a heater, condenser and N2 gas.
for Ammonia, NH3, Ammonium ion, NH4+. Carbon monoxide, CO, Carbon dioxide, CO2, Phosgene, COCl2, hexafluorosilicate(IV) ion, SiF62, Nitrogen dioxide.
Do the physical properties of water change when a compound is dissolved in water? If so, which properties change and why?
The cellulose is subjected to concentrated H2SO4 (sulfuruc acid). How is the cellulose molecule/structure modified? and what are the reaction by-products.