I) What causes cycloalkanes to have two less hydrogen atoms than similar alkanes that are open chain ones? i) What is the three dimensional structure of methane? Why? ii) Name an isomer of pentane (that is not cyclic), and write down its structure. iii) Name the compounds that are organic: (1) KMnO4 (2) CH3OH (3) C6H6 (4
1.) Suggest a chemical test that would allow you to distinguish between tert-butyl alcohol and 1 butanol, both of which give a positive ceric nitrate test? 2.) Why are axial and equatorial hydroxyl isomers for 4 tert butylcyclohexanone, but not for cyclohexanol itself? ( I was thinking steric factors?) 3.) I have to bala
See attachments, please.
Please see the diagrams below. I have to identify the compound from the spectra and the steps to get the compound. IR spectral and NMR peaks have to be identified by reference to specific atoms in the final structure. I must also show the formula determination. I am stuck on the completion. On my first page for C5H10O2,(1st
Please see the attached file for diagrams. 1. Choose the best reagent for carrying out the following reactions from the list below. Place the letter of the reagent(s) in the box over the reaction arrow. Only one letter per box (10 points). a. NaH, then CH3I b. NaOCH3, CH3OH c. m-ClC6H4CO3H d. CH3MgBr in ether, then H
I am confused about oxidation in organic chemistry. Why exactly are oxidation reactions one in which a oxygen is inserted into a bond, hydrogen is removed from a bond, and a more electronegative atom is inserted in the bond, replacing a carbon or a hydrogen. But why exactly does oxidation occur in this fashion? Also, I don't
I had a lab on the dehydration of cyclohexanol and I am not trying to understand certain concepts. Here are some questions I am trying to figure out: - The product ratio is Saytzeff > Hofmann for both E1 and E2 reactions. What causes this to be the case for each reaction? I understand slightly that for E2 its steric hindrance
I've noticed that my book does not mention metals as a possible substituent for mono-substituted benzenes, but it doesn't begin to explain why. Also I have had trouble finding reasons why online. Specifically I am interested to know why you don't see metals bonded to benzene with a covalent sigma bond. I am not interested in
Draw the Haworth projection of alpha-D-galactofuranosyl-[1,6]-Beta-D-mannopyranose.
1. Label all prochiral hydrogens (including Re and Si faces) in R-2,4-dimethyl-3-heptanone. 2. Consider the asymmetric deuteration shown below. a. To which face of the prochiral double bond did the deuteriums add to? b. Assign configurations to all chiral centers in the molecule. c. Assign E/Z configuration to the starting
Please see the attached file for the completely formatted problems. 1. Circle any conjugated portions in the molecule below. 2. Consider the reaction below to answer the following questions: 3. The nucleophile in this reaction is __________. 4. The electrophile in this reaction is __________. 5. The product that r
The questions involve ordering the answer either from lower to higher acidity or basicity include the nucleophilic and electrophilec site of actions.
I have a wood chemistry course that indicates that methylene diphenylisocyanate (MDI) is used as a common resin and/or glue in bonding wood fibers together in composite type substrates. The cure temperature is given as approximately 425 degrees F. I have a test question that asks us to hypothesize about a chemical additive to
Draw the structure for the compound with formula C10H12O2 and the attached proton NMR spectrum.
Please help and explain to me clearly......a wastewater contains various cations such as Na, K, Mg, Ca, Ba, Fe, Cu, Zn, and Al; the pH of the wastewater is approx. 6.0 To that wastewater is added H3PO4 (phosphoric acid) in an approximate dose of .00034 gals of H3PO4 per gallon of wastewater. I'm less concerned about the st
We are asked to construct an energy level diagram (molecular orbital) for the molecule SO. We are then asked to comment on the ionic species of SO - bond order, bond distance etc. So far so good. Then we are asked the bond order of SO^4+ (assuming that it is formed). I have laboriously drawn out the whole thing (not attached
CH2=CH-CH=CH-CH=O THREE double bonds. Describe the bond and angle in terms of its structure
4. The atmospheric pressure in La Grande (683 atmospheric pressure) is significantly lower than that of Portland (760 normal pressure). How would the boiling points of a liquid compare in these two locations? Why? 5. Explain and illustrate why ethanol (molar mass 46g) has a higher boiling point than diethylether (molar mass 74g
Draw a doagram to show the changes in potential energy that occur from the rotation around the C1-C2 bond of 1-bromopropane. Draw Newman projection formulae to correspond with each maximum and minimum.
1. Write equations for the combustion, dehydration and oxidation of these alcohols and give the group names of the products. a. C3H7OH b. CH3CHOHCH3 c. (CH3)2COHCH3 2. a. What is the general formula for Alkynes? b. If an alkyne is progressively hydrogenated by an addition process, what is the final product of the process? Us
Vitamin b6 is needed in the metabolism of amino acids. When it binds to an enzyme it forms a complex with the e-amino group of lysine, which is a primary amine. What chemical reactions would you do to show that there is a covalent complex with the vitamin and the e-amino group of lysine?
Explain the following observations. 1. Aziridines, compounds that contain nitrogen in a three-membered ring, undergo pyramidal inversion much more slowly than do other alkylamines. 2. The rate constant for formation of tetraethylammonium iodide form triethylamine and ethyl iodide is more than 800 times greater (at 100 degrees c
This problem provides an opportunity to evaluate the net molecular dipole of an organic compound.
If you treat an aldehyde wiith HCN you produce a cyanohydrin. For example, H2C=O + HCN equilibrium H2C-C (triple bond) N l O-H However, if you treat formaldehyde (CH2O)
In this problem the tertiary alcohol below was subjected to dehydration with phosphorous oxychloride. The potential products are shown below. The product was isolated and purified by distillation. An NMR of the major product exhibited two triplets only, one centered at 2.1δ and the other at 0.9δ . Indicate the prod
Each word document contains one problem. I need the structures that go along with each spectrum. See attached file for full problem description. 1. Near the peaks the numbers are given, which are the integrations, give the number of protons. Please give a structure for the formula C8H8O, which is consistent with the H NM
1. Describe the physical properties of oil and water. Discuss why they do not mix. 2. Describe the chemical composition of crude oil and how your simulation mimics an oil spill. 3. Describe at least 4 methods that could be used to attempt to separate the oil and water at home. Based on the four methods postulate which me
The question is attached and here are the Directions: Based on the mechanism present, predict the product of this reaction. Highlight the Br-C-C-Br dihedral angle. Is the diehdral angle (0 degrees for sin addition or 180 degrees for anti addition)? Look at the dihedral angle between the phenyl ring and the carboxylic
Please draw the structures neatly and clearly and follow directions. If you have a Chem drawing program (i.e. ChemDraw, Chem3D), I will increase the credit, if not please draw them out by hand. Strain or Steric energy (a) Choose an alkene having cis and trans isomers and draw one of these (give name of alkene also).
(See attached file for full problem description) a. The structure of 1,3-butadiene is usually written as H2C==CH--CH==CH2. The average bond lengths given are: C--C of 154pm and C==C of 133pm. Explain the fact that the observed value of the distance between the two central carbon atoms in 1,3-butadiene is 146pm. b. Which